Question
Tue June 03, 2008 By:

pls solve and also explian the solution if possible

Expert Reply
Tue June 03, 2008

to calculate the length of the wire use the formula

 ρ= RA/L

ρ-----> resistivity

R------> resistance of the wire

A------> area of wire = πr2

subsitute all the values and calculate the value of L which is the answer.

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