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EI
Question Practice

Why can't magnetic energy be fully converted into electrical energy without loss, according to Lenz's Law?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 12
Physics
Physics Part - I
ELECTROMAGNETIC INDUCTION
Question Bank

Why can't magnetic energy be f...

Single Answer MCQ
Q-00166862

Why can't magnetic energy be fully converted into electrical energy without loss, according to Lenz's Law?

1

Magnetic energy can be converted perfectly

2

Energy is expended in sustaining induced currents

3

The system needs external power to induce current

4

Induction does not follow energy rules

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