Which pair is not correct for the instruments used in the laboratory and their uses from the following?

Voltmeter - To measure the electric potential differene

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Ammeter - To measure the electric current

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Galvanometer - To detect the presence of current

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Resistor - To supply the electric energy to circuit

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Solution

The correct option is D Resistor - To supply the electric energy to circuit
A resistor is an instrument which provides a resistance to the flow of current. Electric energy to the circuit is provided by a battery.

Suggest Corrections

	Instrument	Uses
(A)	Voltmeter	To measure the electric potential difference
(B)	Ammeter	To measure the electric current
(C)	Galvanometer	To detect the presence of current
(D)	Resistor	To supply the electric energy to circuit