List of top Physics Questions on Electric Current asked in DUET

The mobility of charge carriers increases with

The current (in ampere) drawn from a $12 \,V$ supply by the infinite network shown in the following figure is

A galvanometer has a resistance of 50$\Omega$. If a resistance of 1$\Omega$ is connected across its terminals, the total current flow through the galvanometer is [$I_g$ represents the maximum current that can be passed through the galvanometer]