If a wire is stretched to make it 0.1% longer, its resistance will [2011] - VgyanHub

Question:

If a wire is stretched to make it 0.1% longer, its resistance will [2011]

Options :

a)Increase by 0.05%
b)Increase by 0.2%
c)Decrease by 0.2%
d)Decrease by 0.05%

Answer :

b)Increase by 0.2%

Answer Steps :

Step;-1

Step:-2

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