MDCAT Physics MCQ #467

A cell of emf 2V and internal resistance 1 ohm is connected to an external resistance of 3 ohms. What is the current?

MDCAT Physics MCQ #467

  1. Question 1

    Q1. A cell of emf 2V and internal resistance 1 ohm is connected to an external resistance of 3 ohms. What is the current?

    • A) 0.5 A
    • B) 0.67 A
    • C) 1 A
    • D) 2 A

    Answer: 0.5 A

    Explanation: I = E/(R + r) = 2/(3 + 1) = 0.5 A.