The equipment used to measure the electrical current in a closed circu

by

The equipment used to measure the electrical current in a closed circuit is

Galvanometer.
Ammeter.
Voltmeter.
Compass needle.
This question was previously asked in
UPSC CISF-AC-EXE – 2021
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An ammeter is the standard instrument used to measure the electric current flowing through a circuit. It is connected in series with the component through which the current is to be measured.
– An ammeter measures electric current.
– It must be connected in series in a circuit.
– A voltmeter measures voltage (potential difference).
– A galvanometer detects small currents and their direction.
Ammeter is derived from “ampere meter,” as current is measured in amperes (A). Ideal ammeters have very low internal resistance so as not to significantly affect the current they are measuring. Galvanometers can be used as components to build ammeters and voltmeters with appropriate shunts or series resistances.

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