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In a metre bridge experiment, when a nic...

In a metre bridge experiment, when a nichrome wire is in the right gap, the balancing length is 60 cm. When the nichrome wire is uniformly stretched to increase its length by `20%` and again connected in the right gap balancing length is nearly

A

61 cm

B

31 cm

C

51 cm

D

41 cm

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TARGET PUBLICATION-CURRENT ELECTRICITY -Competitive Thinking
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