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A galvanometer can be converted into either an ammeter or a voltmeter. Before conversion, which of the following thing about the galvanometer you are required to know.
i) Resistance of the galvanometer

ii) The magnetic field in which the coil is rotating

iii) Current for full scale deflection of galvanometer

iv) Nature of its construction

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Only ii is true

Only i is true

Only i & iii are true

Only i & ii are true

answer is D.

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Detailed Solution

Resistance of the galvanometer

Current for full scale deflection of galvanometer should be known

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