Q9 of 36 Page 120

What is S.I. unit of specific resistance or resistivity?

The SI unit of Resistivity() is Ωm because by considering the relation,



We get to know that resistivity is a constant quantity and has units of resistance and length.


More from this chapter

All 36 →
7

In any circuit 2 coulomb charge is passed for 0.5 second. The value of current in ampere will be :

 8

It is not device based on the heating effect of electricity :

 10

Define electric current.

 11

What is electrical potential difference?