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Meter bridge is used to measure

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Important Questions on Current Electricity

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If radius of a potentiometer wire is doubled keeping its length and potential difference across it constant, then the value of its potential gradient will
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The SI unit of resistivity is _____.
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Kirchoff's loop rule is based on conservation of _____ .
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Alloys of metals usually have _____ resistivity than that of their constituent alloys.
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Write the dimensional formula of resistance.
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Emf of a electrolytic cell is independent of nature of electrolyte present.