WBCS.LIVE practice question

The device used for measuring a small deviation of current is known as

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. potentiometer
  2. ammeter
  3. galvanometer
  4. voltmeter

Correct answer and explanation

Correct answer: galvanometer

Explanation: āœ… Correct Answer: C) galvanometer šŸ“š Explanation: A 'galvanometer' is a sensitive instrument used to detect and measure very 'small deviations or amounts of electric current'. It works based on the magnetic effect of current. An ammeter measures larger currents, a voltmeter measures potential difference, and a potentiometer measures EMF.