Which of the following do not use heating coil?

Electric iron

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Electric stove

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Microwave oven

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Induction cooker

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Solution

The correct options are
C
Microwave oven

D
Induction cooker

The microwave oven and induction cooker do not use a heating coil to produce heat. Instead of it, they use microwaves, and Eddy currents (electric current induced in a conductor by a varying magnetic field) respectively. Both electric stove (circlular shape) and electric iron (coil) have heating coils to produce high temperatures.

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Similar questions

The device which converts mechanical energy into energy which runs out microwave oven is :

(a) electric motor

(b) alternator

(d) electric heater

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