Question Detail
Question
_________ is used for measuring potential difference.
Correct Answer
Option C is the correct answer.
Detailed Explanation
An Ammeter is used to measure electric current. A Voltmeter is specifically designed to measure potential difference (voltage) across two points in a circuit. A Potentiometer can also measure potential difference, often with higher precision and without drawing current, but 'voltmeter' is the most direct and common answer for general measurement. A Galvanometer detects small currents.
Hint
Which device is always connected in parallel to measure voltage?