The current through a wire depends on time as $i = (2+3t)\, mA$. The charge crossing through a section of the wire in $1\, min$ is .............. $C$.

$A$ steady current flows in a metallic conductor of non-uniform cross-section. The quantity/quantities constant along the length of the conductor is/are:

$A$ steady current $i$ is flowing through a conductor of uniform cross-section. Any segment of the conductor has

An electron moves with a constant speed of $4 \times 10^6 \, m/s$ in a circle of radius $10 \, cm$. Find the electric current at any point on the circle.

$A$ current $I = I_{0} e^{-\lambda t}$ is flowing in a circuit. The total charge that flows through the circuit over the entire pulse period (from $t = 0$ to $t = \infty$) is:

The following figure shows four situations in which positive and negative charges move horizontally through a region and gives the rate at which each charge moves. Rank the situations according to the effective current through the region,greatest first.