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Inductors

Consider the ...

Question

Consider the following facts about energy.
I. The electrical energy can be stored in a capacitor to be recovered on its discharge.
II. It is stored in the electromagnetic radiations in electric and magnetic fields.
III. In a closed system, the total energy is variable.
IV. Potential energy is stored in a body when it changes its configuration.

A

I, III and IV

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B

I, II and IV

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C

I, II and III

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D

II, III and IV

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Solution

The correct option is C I, II and IV
Energy in a closed system is always conserved.

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