engineering physics MCQ #995

A battery has an emf of 12 V and internal resistance 1 ohm. What is the terminal voltage when it supplies 2 A?

engineering physics MCQ #995

  1. Question 1

    Q1. A battery has an emf of 12 V and internal resistance 1 ohm. What is the terminal voltage when it supplies 2 A?

    • A) 10 V
    • B) 12 V
    • C) 14 V
    • D) 8 V

    Answer: 10 V

    Explanation: V = E - Ir, so V = 12 - 2 * 1 = 10 V.