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In the meter bridge shown, the resistance R has a negative temperature coefficient of resistance. Neglecting the variation in other resistors, when current is passed for some time, in the circuit, balance point should shift towards

Option: 1

A


Option: 2

B


Option: 3

First A then B


Option: 4

It will remain at C


Answers (1)

best_answer

As current will flow, heat will produce in the circuit. So, R will decrease. So balance point will shift towards left.

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Ritika Kankaria

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