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To detect the flow of current a head telephone ear piece is used instead of __________

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To detect the flow of current a head telephone ear piece is used instead of __________

(a) Ammeter

(b) Galvanometer

(c) Multimeter

(d) Voltmeter

The question was asked during an online interview.

This is a very interesting question from Electro Chemical Cells topic in chapter Electro Chemical Cells and Corrosion of Applied Chemistry

1 Answer

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Best answer
Right answer is (b) Galvanometer

Easy explanation: Instead of galvanometer, to detect the flow of current a head telephone earpiece is used to determine the equivalent conductance.

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