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MHT CET202416 May 2024Morning ShiftPhysicsElectromagnetic InductionActual

The mutual inductance of two coils is 45 mH . The self-inductance of the coils are L ₁=75 mH and L₂=48 mH . The coefficient of coupling between the two coils is

Options

  1. A0.3
  2. B0.4
  3. C0.75
  4. D1.0

Correct answer

C. 0.75

Step-by-step solution

Mutual inductance due to two coils, aligned & M=K L₁ L₂ K & = M L₁ L₂ = 45 75 48 = 45 60 =0.75 aligned

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