Question

which materials produce heat energy when electric current is passed through them and why

Answer 1

HII THERE IS YOUR ANSWER
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WHENEVER A CURRENT IS PASSED THROUGH THE RESISTANCE OR RESISITOR SOME AMOUNT OF HEAT IS PRODUCED ACROSS IT BECAUSE RESISITOR IS THE ELEMENT WHICH OPPOSE THE FLOW OF CURRENT SO THE CURRENT FEEL SOME RESISITANCE TO OVER COME THIS RESISTANCE SOME AMOUNT OF WORK IS DONE THIS WORK IS THAN CONVERTED IN TO HEAT ENERGY
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Answer 2

Conductors produce heat energy when electric current is passed through them because

Explanation:

• Conductor will produce heat energy when current passed through them because it has free electron on their outermost orbit which is responsible for transfer of heat and electricity and another cause is also resistance of conductor which decrease rate of flow of current.
• Electrons move through a conductor when electric current flows. All materials impede flow of electric current to some extent.
• This characteristic is called resistance. Resistance increases with an increase of length or decrease of cross-section of a material.

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