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Question

The laws of electromagnetic induction are used in the construction of a

A
galvanometer
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B
voltmeter
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C
electrical motor
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D
ammeter
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Solution

The correct option is A galvanometer
The laws of electromagnetic induction are used in the construction of a galvanometer
The galvanometer is the device used for detecting the presence of small current and voltage or for measuring their magnitude. The galvanometer is mainly used in the bridges and potentiometer where they indicate the null deflection or zero current.

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