Discussion :: Measurements and Instrumentation
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Kelvin's double bridge is used to measure low resistances because
A.
it has high sensitivity
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B.
there is no thermoelectric emf
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C.
resistance variation due to temperature
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D.
effect of contact and lead resistances is eliminated
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Answer : Option D
Explanation :
Effect of lead and contact resistances is very important in measurement of low resistances.
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