Question

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here's a question for u

question:
The resistance of a wire is 20ohm. Wt 'll be new resistance, if it is stretched uniformly 8 times its original length? ​

Answer 1

Answer:

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Answer 2

Answer:

If it is stretched uniformly 8 times, new length is, l' = 8l. New resistance becomes : So, the new resistance of the wire is 160 ohms.

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