Which of the following device can measure both the magnitude and direction of electric current in an electric circuit?

Voltmeter

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Ammeter

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Galvanometer

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Potentiometer

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Solution

The correct option is C Galvanometer
A galvanometer is a device that measures both the magnitude and direction of electric current in an electric circuit.
An ammeter is a device that measures only the magnitude of electric current in a circuit.
Potentiometer and voltmeter are used to measure potential difference in an electric circuit.

Suggest Corrections

1.	An unbroken path through which electric current can flow	.....................
2.	A very thin wire made of a special material (such as tungsten) which glows in a bulb	.....................
3.	Tightly wound coils found in appliances which heat up	.....................
4.	A safety device used to prevent an over flow of electric current	.....................
5.	A device used to open or close an electric current	.....................