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MHT CET20239 May 2023Evening ShiftPhysicsElectromagnetic InductionActual

The mutual inductance (M) of the two coils is 3 H . The self inductances of the coils are 4 H and 9 H respectively. The coefficient of coupling between the coils is

Options

  1. A0.3
  2. B0.4
  3. C0.5
  4. D0.6

Correct answer

C. 0.5

Step-by-step solution

Coefficient of coupling, K = M L ₁ ~L ₂ = 3 36 =0.5

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