Physics, asked by aaryavrastogi2005, 8 months ago

A piece of wire is redrawn by pulling it until its length is doubled. Compare the new resistance with the original resistance? Use R=ρ(rho)\frac{l}{A}

Answers

Answered by Divyansh50800850
1

\bold\red{Given:-}

\impliesLength of wire is doubled

\impliesBut,the volume of the wire remain in same both cases.

\bold\red{To}\bold\red{Find:-} New and original Resistance

\bold\red{Solution:-}

Volume = area of cross-section × length

V= A’L’=AL

YOUR ANSWER IS IN THE ATTACHED PHOTO.

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