SSC JE Electrical Engineering 2013 Paper

Question : 155 of 200

Marks: +1, -0

If the insulation resistance of 2 m long sample of a cable is 10 MΩ, then a 8 m long sample of the same will have an insulation resistance of

Solution:

For insulation Resistance

R∝1/l

R_1/R_2=l_2/l_1

10/R_2=8/2

R_2=2.5\MΩ

Go to Question:

Prev Question

Next Question