Physics, asked by sukhmeet356, 1 year ago

A copper wire of resistivity 1.63 x 10 has cross section area of 10.3 x 10 calculate the lenght of the wrie required to make a 20 ohm coil

Answers

Answered by Pranjal123456

4

Resistance = resistivity x length/Area
Length = resistance x Area/ resistivity
= 20 x 103/16.3
= 126.3 units

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