The heating effect of electric current works for both conductors as well as insulators.

True

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False

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Solution

The correct option is B
False

The heating effect takes place only when there is a flow of free electrons. The free electrons are present only in conductors, not in insulators. So according to this concept, heating effect takes place only in conductors.

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State whether the following statements are true or false :

(a) A wire with a green insulation is usually the live wire.

(b) A miniature circuit bearker (MCB) works on the heating effect of current.

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