Metals have conductivity of the order of `(ohm^-1cm^-1)`:

Semiconductors have conductivities of the order __________.

Calculate the equivalent conductivity of 1M H_2 SO_4 solution if its specific conductivity is 26 xx 10^(-2) ohm^(-1) cm^(-1) .

The insulators have very very low electrical conductivities of the order_______.

State Ohm's law. Calculate the conductivity of a conductor of radius 0.5 mm and length 10 cm having resistance 25 Omega .