engineering physics MCQ #1261

A circular coil of radius 0.1 m, 100 turns is rotated at 100 rpm in a uniform magnetic field of 0.1 T. The maximum induced emf is

engineering physics MCQ #1261

  1. Question 1

    Q1. A circular coil of radius 0.1 m, 100 turns is rotated at 100 rpm in a uniform magnetic field of 0.1 T. The maximum induced emf is

    • A) 1.047 V
    • B) 10.47 V
    • C) 0.1047 V
    • D) 104.7 V

    Answer: 10.47 V

    Explanation: ε = NABω = 100 * π * (0.1)² * 0.1 * (100/60) * 2π = 10.47 V.