Question

pls help me solve my physics assignment. but no spamming plss

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Answer 1

1) ohm

3)When wire is stretched 3 times of its original length, its resistance will increase 9 times, because when length increases radius decreases i.e. area decreases. ... In general if length increased n times , resistance increases n^2 times. Resistivity is property of material, it do not change with change in dimensions.

Answer 2

Answer:

I deleted ur question coz u forgot to write KHAN.

pinkgirlxafykhan

and he has send u more hearts than me

really

M RiGht na..

Sorry didi