Multiple choice

Alternating current cannot be used in a/an

  1. amplifier

  2. galvanometer

  3. transformer

  4. voltmeter

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

A standard galvanometer is designed to measure direct current (DC). Using alternating current (AC) would cause the needle to oscillate rapidly around zero due to the changing direction of current, resulting in no net deflection.