Physics, asked by VrajJiyani, 1 year ago

A conducting wire has a resistance of 20 ohm. Its length is now stretched to increase by 2%. Calculate the resulting value of resistance of the wire.

Answers

Answered by 45Gill

1

to slove these type questions, you should learn a easy formula
R' = n^2 R
where R' is the R2 and R is the R1
so,in question n=2
so R' =4R

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