Resistance of a wire length 80 cm and uniform area of cross section 0.025 cm 2 .Resistance of the conductor 1.5 ohms.Find the resistivity
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R = pL/A where R = Resistance,
p = Resistivity,
L = Length of the conductor,
A = Area of the conductor
or, p = RA/L
= 1.5*0.025/80
= 0.00046875
= 4.6875 * 10^(-4)
p = Resistivity,
L = Length of the conductor,
A = Area of the conductor
or, p = RA/L
= 1.5*0.025/80
= 0.00046875
= 4.6875 * 10^(-4)
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