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Question 20217
JEE Physics · Medium

Electromagnetic Induction and Alternating Current: Energy Stored in Inductor MCQ

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Energy Stored in InductorMediumQuestion 20217

Question

An inductor of 4 H carries a steady current of 5 A. Energy stored is:
  1. A
    20 J
  2. B
    50 J
    Correct
  3. C
    100 J
  4. D
    10 J

Correct answer

50 J

Explanation

U = ½LI² = ½ × 4 × 25 = 50 J.

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