Multiple choice

Which instrument is used to measure the potential difference?

  1. Potentiometer

  2. Galvanometer

  3. Voltmeter

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A voltmeter measures potential difference (voltage) between two points in a circuit. A potentiometer is a variable resistor, a galvanometer detects small currents. Voltmeter is the correct answer for measuring potential difference.