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If a wire is stretched, so that its length is 20 % more than its initial length, the percentage increase in the resistance of the wire is :- (1) 40% (2) 10% (3) 44% (4) 25% |
| Answer» If a wire is stretched, so that its length is 20 % more than its initial length, the percentage increase in the resistance of the wire is :- (1) 40% (2) 10% (3) 44% (4) 25% | |