What is the main difference between an induction cooktop and an electric coil cooktop?

Induction cooktops use electromagnetic energy to heat the pan directly, while electric coil cooktops heat a metal coil that then transfers heat to the pan.

Which is faster at boiling water, induction or electric?

Induction is significantly faster because it heats the pan itself, so a pot of water can boil in about half the time of a standard electric coil cooktop.

Is an induction cooktop better than an electric cooktop for everyday cooking?

Yes, induction is generally better for most cooks because it offers precise temperature control, faster heating, and a cooler cooking surface, though it requires compatible cookware.

Is an induction cooktop more expensive to buy than an electric cooktop?

Yes, induction cooktops typically cost more upfront, often ranging from $1,000 to $3,000, while comparable electric coil models can be found for $400 to $1,200.

Is an induction cooktop safer than an electric cooktop?

Yes, induction is safer because the surface stays cool to the touch and it automatically shuts off when the pan is removed, whereas electric coils remain dangerously hot for minutes.

Can I use my existing stainless steel pans on an induction cooktop?

Only if your pans have a magnetic base, so test them with a magnet; stainless steel with a magnetic bottom works, but pure aluminum or copper pans will not.

What is the biggest mistake beginners make when switching from an electric to an induction cooktop?

The biggest mistake is buying a new induction cooktop without checking that their current cookware is magnetic, which forces them to purchase a full set of new pots and pans.

Can an induction cooktop be used with the same pots and pans as an electric cooktop?

No, not always, because induction requires ferromagnetic cookware, so you must verify each pan with a magnet, while electric coil cooktops work with any flat-bottomed pot.

Does an induction cooktop use less electricity than an electric cooktop for the same meal?

Yes, induction is roughly 10-15% more energy-efficient than electric coil because it transfers about 84% of its energy directly to the pan, wasting less heat.

Can I switch from an electric cooktop to an induction cooktop without changing my kitchen wiring?

Yes, in most cases you can switch without rewiring because both typically use a standard 240-volt or 120-volt connection, but you should verify the amperage matches your circuit breaker.

Difference Between

Difference Between Induction Cooktop and Electric

Written byNex Virox Team

Editorial Team

Reviewed byVarshal Nirbhavane

Senior SEO & Organic Growth Professional · 5+ years

Published: September 6, 202619 min read

Quick answer

The main difference between Induction Cooktop and Electric is that induction uses electromagnetic energy to heat the pan directly, while electric uses a heated coil or surface. Induction Cooktop is a glass surface that heats only magnetic pans via magnetic fields, while Electric is a coil or ceramic surface that heats indirectly through radiant heat.

Key takeaways

Core distinction: Induction uses magnetic fields to heat pans directly, while electric uses heated coils or elements.
How each works: Induction requires magnetic cookware; electric radiant models work with any flat-bottomed pot or pan.
Speed and efficiency: Induction boils water nearly twice as fast and wastes less heat than standard electric cooktops.
Best-fit use case: Choose induction for precise control and safety; pick electric for budget-friendly simplicity and universal cookware.
Most common mistake: Buyers assume all glass cooktops are induction, but many electric models look identical and heat differently.

Table of Contents18 sections

Difference Between Induction Cooktop and Electric: Comparison Table

Aspect	Induction Cooktop	Electric
Definition	Uses electromagnetic coils to heat the pan directly through a glass surface.	Uses a heated coil or element beneath a smooth glass or coil surface.
Purpose	Provides rapid, precise heat transfer directly to ferromagnetic cookware only.	Provides steady, broad heat to any standard cookware via radiant or coil elements.
Core Mechanism	Creates a magnetic field that induces heat inside the pan's base itself.	Passes electricity through a resistor that glows red and radiates heat upward.
Heat Source	Electromagnetic coil beneath ceramic glass produces heat only in the pan.	Resistance wire or ribbon element heats up and transfers warmth to the pan.
Cookware Requirement	Requires magnetic stainless steel, cast iron, or iron-based pans to operate.	Works with almost any cookware, including glass, ceramic, and aluminum.
Surface Temperature	Glass stays cool to touch minutes after use; heat exists only in the pan.	Glass or coil surface becomes hot and stays dangerously hot for several minutes.
Heating Speed	Boils water in roughly half the time of electric, often under 3 minutes.	Takes noticeably longer to boil water, typically 5 to 8 minutes per liter.
Temperature Control	Offers precise digital wattage settings with near-instant response to changes.	Provides incremental dial settings but responds slowly to adjustments.
Energy Efficiency	Transfers about 84-90% of energy directly into the pan, losing little heat.	Transfers roughly 70-75% of energy, wasting a larger share as ambient heat.
Heat Distribution	Distributes heat evenly across the pan base due to direct magnetic induction.	Creates hot spots near the element, requiring frequent stirring for even cooking.
Residual Heat	Leaves little residual heat; surface cools quickly, reducing burn risk.	Retains heat for 10-20 minutes after switch-off, posing a burn hazard.
Boil Time	Boils 1 liter of water in about 2-3 minutes at maximum power setting.	Boils 1 liter of water in about 5-7 minutes at maximum power setting.
Simmer Control	Maintains a gentle simmer at very low wattage without temperature fluctuation.	Cycles on and off, causing simmer temperature to rise and fall noticeably.
Power Output	Delivers 1200 to 3700 watts of focused power directly into the pan base.	Delivers 1200 to 3000 watts of radiant power spread across the element.
Preheat Time	Heats a pan from cold to cooking temperature in under 30 seconds.	Takes 1-2 minutes for the element to reach full operating temperature.
Cool Down Time	Pan cools within 60 seconds of removal; surface stays cool immediately.	Element and glass remain hot for up to 15 minutes after being turned off.
Safety Feature	Auto-shuts off when pan is removed, preventing overheating or accidental fires.	Relies on manual shut-off; hot surface indicator warns but does not auto-stop.
Burn Risk	Presents minimal burn risk because the glass surface never gets very hot.	Presents high burn risk from exposed hot coils or hot glass for minutes.
Child Safety Lock	Includes a control lock that disables the touch panel to prevent child use.	Rarely includes a lock; dials remain accessible to curious children.
Pan Detection	Only activates when a magnetic pan is placed on the cooking zone.	Heats regardless of pan presence, wasting energy if left on empty.
Voltage Requirement	Portable models use standard 120V; built-in units often need 240V circuit.	Standard 120V for coils; some smooth-top models require a 240V line.
Installation Cost	Requires dedicated circuit; built-in models cost more due to electrical work.	Often plugs into existing outlet; installation is simpler and cheaper.
Purchase Price	Entry-level portable units start around $50; built-in models range higher.	Coil models start near $40; smooth-top electric ranges cost $500 to $2000.
Operating Cost	Lower monthly energy bill due to 84-90% efficiency and faster cook times.	Higher monthly energy bill due to lower efficiency and longer heating periods.
Maintenance Effort	Requires wiping spills quickly; no burnt-on food because surface stays cool.	Needs scraping of burnt spills; coil drip pans require regular cleaning.
Surface Durability	Glass is prone to scratches from heavy pans but resists thermal cracking well.	Coil elements bend and wear; glass tops crack under sudden temperature shock.
Noise Level	Emits a faint humming or buzzing sound from the cooling fan and coils.	Operates silently with no audible sound during normal cooking.
Compatibility	Works only with ferromagnetic cookware; aluminum and glass pans fail to heat.	Accepts all cookware types, including glass, copper, and non-magnetic steel.
Typical Users	Suits home chefs wanting speed, precision, and lower energy consumption.	Fits budget buyers or those with existing non-magnetic cookware collections.
Best Fit Scenario	Ideal for modern kitchens prioritizing fast, safe, energy-efficient cooking.	Best for simple kitchens needing low upfront cost and universal pan use.

What Is Induction Cooktop?

An induction cooktop is a cooking appliance that uses electromagnetic energy to heat the pan directly, not the glass surface. It exists to provide faster, more precise, and more energy-efficient cooking than traditional electric or gas methods.

Definition of Induction Cooktop

An induction cooktop is a flat, glass-ceramic cooking surface that generates a high-frequency alternating magnetic field beneath the glass. This field induces electrical currents inside ferromagnetic cookware, creating heat directly within the pan's base while the surface itself remains cool.

Key Characteristics of Induction Cooktop

Characteristic	What It Means in Practice
Electromagnetic heating	Heat is generated inside the pan, not on the surface, making the process highly efficient.
Rapid boil times	Water boils significantly faster than on standard electric coils or gas burners.
Precise temperature control	Adjustments are near-instantaneous, allowing for exact simmering or searing without lag.
Cool glass surface	The cooktop stays cool to the touch after use, reducing burn risk and mess.
Ferromagnetic pan requirement	Only magnetic pans like cast iron or magnetic stainless steel will work on this surface.
High energy efficiency	More energy transfers to the food, wasting less heat into the surrounding kitchen.
Built-in safety features	Automatic shutoff and pan detection prevent overheating or operation without cookware.
Flat, seamless design	The smooth glass surface is easy to wipe clean and integrates into modern countertops.
Instant heat response	Heat stops immediately when the pan is removed, giving the cook full control.
Quieter operation	It produces a faint hum rather than the loud roar of gas flames or electric coil clicking.

Common Examples of Induction Cooktop

GE Profile PHP900 – a 36-inch smart induction cooktop with Wi-Fi connectivity and a built-in griddle for versatile cooking.
Bosch 800 Series – a freestanding induction range known for its powerful FlexInduction zone that combines two burners into one large area.
Frigidaire FGIH3069 – a 30-inch induction cooktop offering a true convection oven and rapid preheat features.
KitchenAid KICU536F – a 36-inch induction cooktop with a 6-inch power-boost element for fast boiling.
LG Studio LSE309 – a slide-in induction range with a ProBake convection system and a smooth, fingerprint-resistant finish.
Samsung NX60T7750 – a 30-inch induction cooktop featuring a Virtual Flame interface that simulates gas burner visuals.
Thermador Freedom – a modular induction cooktop with a flexible cooking area that adapts to any pan size or shape.
Wolf CT30I – a 30-inch induction cooktop from Sub-Zero Group, offering dual-stacked burners for even heat distribution.
Gaggenau CI 492 – a 36-inch induction cooktop with a Teppanyaki grill module for high-heat, flat-top cooking.
IKEA Lagan – a portable, single-burner induction hob that is a budget-friendly option for small kitchens and dorms.

Advantages and Limitations of Induction Cooktop

Advantages	Limitations
Heats food faster than electric coils, saving significant time during meal preparation.	Requires specific magnetic cookware, so many existing pots and pans become unusable.
Provides precise, instant temperature adjustments that rival professional gas burners.	Initial purchase cost is higher than comparable electric coil or radiant models.
Surface stays cool, making it safer for households with children or elderly users.	Glass surface can scratch or crack if heavy cast iron is dropped or dragged.
Energy efficient, wasting less heat and lowering monthly electricity bills.	Produces a high-pitched hum or buzzing sound, especially at high power settings.
Easy to clean because spills do not bake onto a hot surface.	Cannot be used with aluminum or copper cookware, which are common in many kitchens.
Offers automatic pan detection and shutoff, preventing accidental burns or fires.	Requires a dedicated 240-volt circuit, which may need costly kitchen electrical upgrades.
Boils water in roughly half the time of a standard electric stove.	May interfere with pacemakers or other implanted medical devices due to magnetic fields.
Provides even heat distribution across the pan base, reducing hot spots.	Not compatible with induction-ready cookware that has a warped or uneven bottom.
Allows for rapid cooling, so the cooktop is safe to touch within minutes.	Repairs are complex and often require a technician, leading to higher service costs.
Offers a sleek, modern look that increases kitchen resale value.	Can be sensitive to small pan sizes, failing to heat cookware under a certain diameter.

What Is Electric?

Electric is a general term for devices that run on grid-supplied alternating current. In cooking, it refers to appliances using a metal coil or smooth glass surface that heats through electrical resistance. It exists to provide a reliable, widely available heat source for kitchens.

Definition of Electric

Electric, in culinary contexts, defines a cooking system where electrical energy passes through a resistive heating element. This element converts electricity into thermal energy, which then transfers heat to a pan via direct contact or radiant conduction. It operates on a simple, proven physical principle.

Key Characteristics of Electric

Characteristic	What It Means in Practice
Resistance heating	Electricity flows through a coil, generating heat that warms the pan bottom directly.
Radiant surface	A smooth glass top emits infrared heat that transfers to the cookware above it.
Slow cooldown	The heating element retains heat after shutdown, requiring extra time before it cools.
Pan contact required	Heat transfers only where the pan physically touches the hot surface, causing uneven spots.
Magnetic compatibility	Works with nearly all cookware, including aluminum, copper, and glass, without special requirements.
Visible glow	The element or surface glows red-orange during operation, giving a clear visual heat indicator.
Simple controls	Uses dials or buttons to adjust power levels, offering basic temperature management.
Residual heat risk	The surface stays dangerously hot for minutes after use, posing a burn hazard.
Grid dependency	Relies entirely on the home electrical supply, with no alternative fuel source.
Even heat spread	Heat spreads across the element, though it can concentrate at the coil center.

Common Examples of Electric

GE Profile - a leading brand of radiant coil ranges found in millions of American kitchens.
Frigidaire Gallery - offers smooth-top electric stoves with standard radiant burners.
Whirlpool - produces coil and glass-top electric cooktops for budget-friendly homes.
Hotpoint - a budget line of electric ranges with basic coil elements.
Samsung - makes sleek glass-top electric cooktops with touch controls.
LG Studio - provides high-end radiant electric cooktops with large surface areas.
KitchenAid - sells premium electric ranges with dual-element burners.
Bosch - offers European-style electric cooktops with precise simmer settings.
Maytag - known for durable coil electric stoves with heavy-duty grates.
Amana - a value brand offering simple, reliable electric coil cooktops.

Advantages and Limitations of Electric

Advantages	Limitations
Lower upfront cost than induction models, making it budget-friendly.	Heats up and cools down slowly, wasting time and energy.
Works with any cookware, including cheap aluminum or glass pans.	Surface stays hot for minutes after turn-off, increasing burn risk.
Simple, familiar controls that anyone can operate without training.	Heating is less precise, often overshooting or undershooting set temperatures.
No magnetic field, so it is safe for people with pacemakers.	Radiant heat is inefficient, losing energy to the air instead of the pan.
Easy to clean smooth glass tops with a standard scraper.	Uneven heat distribution can scorch food in the center of the pan.
Reliable technology with fewer electronic components to fail.	Cannot boil water as fast as gas or induction alternatives.
Widely available in rental units and standard kitchen builds.	Requires a dedicated 240-volt circuit, limiting placement options.
No open flame, reducing fire risk in the kitchen.	Power outages leave you with no cooking ability at all.
Quiet operation with no fan or humming noise during use.	Residual heat can melt plastic utensils left on the surface.
Simple repair process with replaceable coil elements.	Glass tops crack easily if a heavy pot drops on them.

Similarities Between Induction Cooktop and Electric

Shared Aspect	How Induction Cooktop and Electric Are Alike
Primary Purpose	Both induction cooktop and electric cooktop exist solely to heat cookware for cooking food.
Energy Source	Both induction cooktop and electric cooktop require mains electricity to operate.
Heat Generation	Both induction cooktop and electric cooktop generate heat at the cooking zone.
Flat Surface	Both induction cooktop and electric cooktop offer a smooth, flat glass-ceramic cooking surface.
Built-In Design	Both induction cooktop and electric cooktop are designed for permanent countertop installation.
Standard Sizes	Both induction cooktop and electric cooktop come in standard 30-inch and 36-inch widths.
Control Method	Both induction cooktop and electric cooktop use touch controls or knobs for settings.
Temperature Settings	Both induction cooktop and electric cooktop offer multiple adjustable heat levels.
Timer Feature	Both induction cooktop and electric cooktop include a built-in cooking timer.
Child Lock	Both induction cooktop and electric cooktop provide a child safety lock function.
Safety Shutoff	Both induction cooktop and electric cooktop feature automatic shutoff for safety.
Pan Detection	Both induction cooktop and electric cooktop require compatible cookware on the zone.
Cookware Material	Both induction cooktop and electric cooktop work with flat-bottomed metal pots.
Cleanup Process	Both induction cooktop and electric cooktop clean easily with a damp cloth.
Spill Containment	Both induction cooktop and electric cooktop contain spills on the glass surface.
Ventilation Need	Both induction cooktop and electric cooktop require a range hood for ventilation.
Electrical Circuit	Both induction cooktop and electric cooktop need a dedicated 240-volt circuit.
Installation Cost	Both induction cooktop and electric cooktop involve professional installation fees.
Purchase Price	Both induction cooktop and electric cooktop are priced in a similar mid-range bracket.
Energy Efficiency	Both induction cooktop and electric cooktop convert electricity into heat efficiently.
Heat Output	Both induction cooktop and electric cooktop deliver rapid boiling power.
Low Simmer	Both induction cooktop and electric cooktop maintain a gentle simmer for sauces.
Precise Control	Both induction cooktop and electric cooktop offer responsive heat adjustments.
Residual Heat	Both induction cooktop and electric cooktop stay hot after being switched off.
Burn Risk	Both induction cooktop and electric cooktop pose a burn hazard during use.
Scratch Risk	Both induction cooktop and electric cooktop can scratch if heavy pans slide.
Maintenance Routine	Both induction cooktop and electric cooktop need regular surface cleaning.
Lifespan Expectancy	Both induction cooktop and electric cooktop last roughly ten years with care.
User Base	Both induction cooktop and electric cooktop suit home cooks and professionals.
Long-Term Outcome	Both induction cooktop and electric cooktop provide reliable daily cooking performance.

Induction Cooktop or Electric: Which Should You Choose?

The single variable that decides it for most people is your existing cookware. Induction Cooktop requires magnetic pans, while Electric works with any pot. If you are unwilling to replace your pans, choose Electric. If you want speed and precision, choose Induction Cooktop.

When to Use Induction Cooktop

Choose Induction Cooktop when you own magnetic stainless steel or cast iron pans and prioritize rapid boiling. It suits open-plan kitchens because the glass stays cool, and it excels for precise simmering. If you demand the fastest heating and have modern cookware, this is your pick.

When to Use Electric

Choose Electric when you have non-magnetic cookware like aluminum or copper, or a tight budget. It fits rental homes where installation is restricted, and it works with any pan you already own. If you cannot replace your pots or need a simple plug-in unit, choose Electric.

Common Misconceptions About Induction Cooktop and Electric

Common Myth	The Reality
An induction cooktop is just a type of electric coil burner.	An induction cooktop uses electromagnetic energy to heat the pan directly, while an electric coil burner heats a surface first.
You need special, expensive cookware for an induction cooktop.	An induction cooktop needs magnetic pans, but many affordable stainless steel and cast iron options work perfectly.
An induction cooktop will not work with any of my existing pots.	An induction cooktop works with any magnetic pan; test yours with a magnet to check compatibility quickly.
An electric cooktop heats up faster than an induction cooktop.	An induction cooktop heats pans faster than an electric cooktop because it transfers energy directly to the metal.
An induction cooktop is dangerous because it uses strong magnets.	An induction cooktop's magnetic field is safe for everyday use and only activates when a compatible pan is present.
An induction cooktop will ruin my pacemaker or medical implants.	An induction cooktop is generally safe with pacemakers, but consult your doctor and keep a safe distance as a precaution.
An electric cooktop is more energy-efficient than an induction cooktop.	An induction cooktop is more energy-efficient than an electric cooktop, wasting less heat and using less electricity overall.
You cannot boil water on an induction cooktop.	An induction cooktop boils water faster than an electric cooktop, often in under two minutes with a proper pan.
An induction cooktop makes a loud humming or buzzing noise always.	An induction cooktop may hum softly at high power, but an electric cooktop is completely silent during normal operation.
An electric cooktop is easier to clean than an induction cooktop.	An induction cooktop is easier to clean than an electric cooktop because its flat surface stays cooler and food does not burn on.
An induction cooktop requires a special 220-volt outlet in every home.	An induction cooktop often works on a standard 240-volt circuit, but check your home's wiring and breaker capacity first.
An induction cooktop cannot be used with glass or ceramic pans.	An induction cooktop will not heat glass or ceramic pans, but an electric cooktop can heat them without any issue.
An electric cooktop is safer for children than an induction cooktop.	An induction cooktop is safer for children than an electric cooktop because its surface stays cooler and it has no open flame.
An induction cooktop will damage my expensive stainless steel pans.	An induction cooktop will not damage stainless steel pans; it heats them evenly and safely without direct flame contact.
An electric cooktop is the same as a ceramic glass cooktop.	An electric cooktop can be coil-based or ceramic, but an induction cooktop is a distinct technology that uses electromagnets.
An induction cooktop is too expensive for the average household budget.	An induction cooktop is now affordable, with many models priced similarly to mid-range electric cooktops from major brands.
An induction cooktop will not work during a power outage.	An induction cooktop needs electricity to function, just like an electric cooktop, so neither works during a power outage.
An electric cooktop provides better temperature control than an induction cooktop.	An induction cooktop offers precise temperature control that beats an electric cooktop, with instant adjustments and consistent heat.
An induction cooktop is too complicated for a beginner to learn.	An induction cooktop is simple to use with basic controls, and it is easier to master than an electric cooktop's slow heat response.
An induction cooktop will scratch easily like a glass electric cooktop.	An induction cooktop has a durable ceramic surface, but you should still use proper pans to avoid scratches on any cooktop.
An electric cooktop is more durable and lasts longer than an induction cooktop.	An induction cooktop has fewer moving parts and often lasts longer than an electric coil cooktop, which can burn out over time.
An induction cooktop cannot be used for frying or searing meat.	An induction cooktop excels at frying and searing, delivering high heat quickly for a perfect crust on steaks and vegetables.
An electric cooktop is better for slow cooking or simmering.	An induction cooktop maintains a low simmer better than an electric cooktop, with precise heat that prevents scorching or boiling over.
An induction cooktop will interfere with my Wi-Fi or phone signal.	An induction cooktop can cause minor interference with some devices, but an electric cooktop does not emit any electromagnetic field.
An induction cooktop is not suitable for commercial or heavy-duty use.	An induction cooktop is used in many professional kitchens because it is fast, efficient, and reliable for high-volume cooking tasks.
An electric cooktop is more portable and versatile than an induction cooktop.	An induction cooktop is highly portable, with lightweight countertop models, while an electric cooktop is often bulky and fixed in place.
An induction cooktop will not work with aluminum or copper pans.	An induction cooktop will not heat aluminum or copper pans directly, but an electric cooktop will heat them without any problem.
An electric cooktop is better for large pots and heavy cookware.	An induction cooktop handles large pots well, but you must ensure the pan base is fully magnetic and covers the cooking zone.
An induction cooktop is a fad that will not last in the market.	An induction cooktop is a proven technology growing in popularity, while an electric cooktop remains common but less advanced in efficiency.
An induction cooktop is harder to repair than an electric cooktop.	An induction cooktop may need a specialist for repairs, but an electric cooktop often has simpler, cheaper parts that are easier to replace.

Conclusion

Difference Between Induction Cooktop and Electric comes down to speed and heat control. Induction heats pans directly via magnetism, boiling water faster and responding instantly. Electric coils heat slowly and cool slowly. Choose induction for quick, precise cooking. Choose electric for lower upfront cost and compatibility with any metal cookware.

FAQs on Difference Between Induction Cooktop and Electric

What is the main difference between an induction cooktop and an electric coil cooktop?: Induction cooktops use electromagnetic energy to heat the pan directly, while electric coil cooktops heat a metal coil that then transfers heat to the pan.
Which is faster at boiling water, induction or electric?: Induction is significantly faster because it heats the pan itself, so a pot of water can boil in about half the time of a standard electric coil cooktop.
Is an induction cooktop better than an electric cooktop for everyday cooking?: Yes, induction is generally better for most cooks because it offers precise temperature control, faster heating, and a cooler cooking surface, though it requires compatible cookware.
Is an induction cooktop more expensive to buy than an electric cooktop?: Yes, induction cooktops typically cost more upfront, often ranging from $1,000 to $3,000, while comparable electric coil models can be found for $400 to $1,200.
Is an induction cooktop safer than an electric cooktop?: Yes, induction is safer because the surface stays cool to the touch and it automatically shuts off when the pan is removed, whereas electric coils remain dangerously hot for minutes.
Can I use my existing stainless steel pans on an induction cooktop?: Only if your pans have a magnetic base, so test them with a magnet; stainless steel with a magnetic bottom works, but pure aluminum or copper pans will not.
What is the biggest mistake beginners make when switching from an electric to an induction cooktop?: The biggest mistake is buying a new induction cooktop without checking that their current cookware is magnetic, which forces them to purchase a full set of new pots and pans.
Can an induction cooktop be used with the same pots and pans as an electric cooktop?: No, not always, because induction requires ferromagnetic cookware, so you must verify each pan with a magnet, while electric coil cooktops work with any flat-bottomed pot.
Does an induction cooktop use less electricity than an electric cooktop for the same meal?: Yes, induction is roughly 10-15% more energy-efficient than electric coil because it transfers about 84% of its energy directly to the pan, wasting less heat.
Can I switch from an electric cooktop to an induction cooktop without changing my kitchen wiring?: Yes, in most cases you can switch without rewiring because both typically use a standard 240-volt or 120-volt connection, but you should verify the amperage matches your circuit breaker.