List of top Electronics and Communication Engineering Questions on Electrical Circuits

A $10~\Omega$ resistor, a $1~H$ inductor and a $1~F$ capacitor are connected in parallel. The combination is driven by a unit step current. Under steady-state conditions, the source current flows through

For the given circuit, during maximum power transfer, the value of $R$ and the magnitude of the power delivered to $R$ are

In the given circuit, if Thevenin's equivalent resistance is $2~\Omega$ when seen from the open terminals, then the value of $R$ is

The equivalent resistance between the terminal points $X$ and $Y$ in the given circuit is

Three heaters have resistances $30\Omega, 60\Omega$ and $20\Omega$ respectively. The p.d. across the 60$\Omega$ and 30$\Omega$ resistors respectively when they are connected in series and supply voltage is 600V is

In the circuit shown below, the current i flowing through 200 $\Omega$ resistor is ___________ mA (rounded off to two decimal places).

In the circuit shown below, switch S was closed for a long time. If the switch is opened at t = 0, the maximum magnitude of the voltage $V_R$, in volts, is ___________ (rounded off to the nearest integer).