Resistance and Power - Technical MCQs

Q1:

The resistivity of copper is:

A 9.9 omega.gif

B 10.7 omega.gif

C 16.7 omega.gif

D 17.0 omega.gif

ANS:B - 10.7 omega.gif

Resistivity unit is ohm m not ohm. And resistivity of copper annealed is 1.72*10-8 at temp.00393.