engineering physics MCQ #1247

The mutual inductance between two coils is 0.05 H. If current in one coil changes from 0 to 2 A in 0.1 s, find induced emf in other coil.

engineering physics MCQ #1247

  1. Question 1

    Q1. The mutual inductance between two coils is 0.05 H. If current in one coil changes from 0 to 2 A in 0.1 s, find induced emf in other coil.

    • A) 1 V
    • B) -1 V
    • C) 0.1 V
    • D) -0.1 V

    Answer: 1 V

    Explanation: ε = -M(dI/dt) = -0.05 * (2 / 0.1) = 1 V.