engineering physics MCQ #1243

The mutual inductance between two coils is 0.1 H. If current in one coil changes at 2 A/s, find induced emf in other coil.

engineering physics MCQ #1243

  1. Question 1

    Q1. The mutual inductance between two coils is 0.1 H. If current in one coil changes at 2 A/s, find induced emf in other coil.

    • A) 0.2 V
    • B) -0.2 V
    • C) 0.1 V
    • D) -0.1 V

    Answer: 0.2 V

    Explanation: ε = -M(dI/dt) = -0.1 * 2 = 0.2 V.