PYQs Based test 1: Electric Circuits

A 0.1 μF capacitor charged to 100 V is discharged through a 1 kΩ resistor. The time in ms (round off to two decimal places) required for the voltage across the capacitor to drop to 1 V is ___________.

The equivalent impedance Z${}_{eq}$ for the infinite ladder circuit shown in the figure is

The switch in the below figure was closed for a long time. It is opened at t = 0. The current in the inductor of 2 H for t ≥ 0, is

For the given 2-port network, the value of transfer impedance Z₂₁ in ohms is _______.

In the circuit shown below, the value of the capacitor C required for maximum power to be transferred to the load is