MDCAT Physics MCQ #611

A potentiometer consists of a long wire with a resistance of 10Ω. How is the potential difference measured?

MDCAT Physics MCQ #611

  1. Question 1

    Q1. A potentiometer consists of a long wire with a resistance of 10Ω. How is the potential difference measured?

    • A) Using a multimeter
    • B) By balancing a known current
    • C) With a galvanometer
    • D) By applying an external voltage

    Answer: By balancing a known current

    Explanation: A potentiometer balances a known current to measure potential difference.