The instrument used for detecting the presence of electric current in a circuit is
[amp_mcq option1=”Refractometer” option2=”Galvanometer” option3=”Viscometer” option4=”Diffractometer” correct=”option2″]
This question was previously asked in
UPSC NDA-2 – 2020
The correct answer is (B) Galvanometer.
A galvanometer is an electrical instrument used for detecting the presence of electric current in a circuit and also for measuring its direction and magnitude (although ammeters are typically used for precise magnitude measurement).