List of top Physics Questions on Current electricity asked in Rajasthan PMT

If on applying the potential of 20 V on a conductor its conductance becomes $8\,{{(\Omega )}^{-1}},$ then the current flowing through it will be

The value of current J in the circuit will be

The relation between amplification factor $(\mu ),$ plate resistance $({{r}_{p}})$ and mutual conductance $({{g}_{m}})$ of a triode valve is given by