engineering physics MCQ #1270

A coil has an inductance of 0.1 H. The energy stored when the current is 2 A is

engineering physics MCQ #1270

  1. Question 1

    Q1. A coil has an inductance of 0.1 H. The energy stored when the current is 2 A is

    • A) 0.2 J
    • B) 0.1 J
    • C) 0.4 J
    • D) 0.02 J

    Answer: 0.2 J

    Explanation: E = 1/2 * LI² = 1/2 * 0.1 * 2² = 0.2 J.