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Question 20212
JEE Physics · Medium

Electromagnetic Induction and Alternating Current: Inductance — Time Constant MCQ

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Inductance — Time ConstantMediumQuestion 20212

Question

An LR circuit has L = 0.5 H and R = 100 Ω. Time constant τ is:
  1. A
    200 s
  2. B
    0.005 s
    Correct
  3. C
    50 s
  4. D
    0.5 ms

Correct answer

0.005 s

Explanation

τ = L/R = 0.5/100 = 0.005 s = 5 ms.

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