The resistivity of the material of a potentiometer wire is 5\times10^{-6}\Omegam and its area of cross section is 5\times10^{-6}m^2. If 0.2 A current is flowing through the wire, then the potential drop per metre length of the wire is

KEAM 2015 Physics and Chemistry Paper

Question : 53 of 120

Marks: +1, -0

The resistivity of the material of a potentiometer wire is 5×10−6Ωm and its area of cross section is 5×10−6m2. If 0.2 A current is flowing through the wire, then the potential drop per metre length of the wire is

0.1 Vm−1
0.5 Vm−1
0.25 Vm−1
0.2 Vm−1
0.01 Vm−1

Validate

Go to Question:

Prev Question

Next Question