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Which of the following instruments ...

Which of the following instruments can detect the presence of a current in a circuit?

A

Galvanometer

B

Sphygmomanometer

C

Barometre

D

Magnetometer

Text Solution

Verified by Experts

The correct Answer is:
A
Galvanometer can detect the presence of a current in a circuit. A galvanometer is an electromechanical instrument used for detecting and indicating an electric current. A galvanometer works as an actuator, by producing a rotary deflection, in response to electric current flowing through a coil in a constant magnetic field.
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