Question

Conducting wire of 2m length and area of cross section 1m^2and resistance 3ohm find the resistivity of the wire

Answer 1

Answer:

we have

R=3ohm,

l=2m

A=1m^2

resistivity =?

resistivity = R ×A÷l

therefore , putting these values we get

resistivity = 3×1÷2=3/2

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