engineering physics MCQ #1271

A rod of length 0.5 m moves at 20 m/s in a field of 0.2 T. The induced emf is

engineering physics MCQ #1271

  1. Question 1

    Q1. A rod of length 0.5 m moves at 20 m/s in a field of 0.2 T. The induced emf is

    • A) 2 V
    • B) 1 V
    • C) 0.2 V
    • D) 0.1 V

    Answer: 2 V

    Explanation: ε = Blv = 0.2 * 0.5 * 20 = 2 V.