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Question 20177
JEE Physics · Easy

Electromagnetic Induction and Alternating Current: Energy in Inductor MCQ

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Energy in InductorEasyQuestion 20177

Question

Energy stored in an inductor carrying current I is:
  1. A
    LI²
  2. B
    ½LI²
    Correct
  3. C
    LI/2
  4. D
    I²/L

Correct answer

½LI²

Explanation

U = ½LI². Analogous to capacitor energy ½CV². This energy is stored in the magnetic field of the inductor.

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