Question

A wire of resistance 4ohm is stretched to twice 9f length? what will be it's new resistance and resistivity.​

Answer 1

Explanation:

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Answer 2

Answer:

ur answer in ATTACHMENT kindly refer to it

and second attachment for ur mistake

first u COPIED FROM Google

and secondly it's completely wrong ....

I answered in bottom u can see how to slove it . .

kindly edit it before some one sees