A galvanometer is used to:
Adetect the direction of light
Bdetect the direction of magnetic induction
Cdetect the direction of sound
Ddetect the direction of current
Answer & Solution
Correct answer: D. detect the direction of current
1. A galvanometer is a sensitive instrument used in electric circuits.
2. It detects and shows the presence and direction of small electric currents.
_Source: RRB Group D CEN-02/2018 PYQ, Q.88._