List of top Electric circuits Questions asked in GATE EE

Consider the two-port network shown. For maximum power transfer to the resistive load (\(R_L\)), the value of \(R_L\) should be \(\Omega\)
(Round off to two decimal places)
The resistance values of the Wheatstone bridge shown are \(P=2000\ \Omega\), \(Q=500\ \Omega\), \(R=3000\ \Omega\). The battery voltage is \(E=50\ \text{V}\).
The battery has an internal resistance of \(1\ \Omega\) and the Galvanometer (G) has a resistance of \(50\ \Omega\).

The value of the resistance S for balanced condition is \(\Omega\) (Answer in integer)
An electrical component has voltage drop \(v = V_m\sin(\omega t)\), when the current through it is \(i = I_m\sin(\omega t-\theta)\).
What is the average power dissipated over a half cycle corresponding to \(\omega\)?
The terminal voltage and current of a linear electrical network shown in Figure (a) are given in the table.
Terminal voltage (\(v_t\))Terminal current (\(i_t\))
18 V\(-0.5\) A
30 V0.5 A
36 V1.0 A


The correct choice for the parameters (\(I_N\), \(R_N\)) of the Norton equivalent circuit shown in Figure (b) is:
The electrical network shown has an independent voltage source (10 V) and a current source (1 u(t) mA).

The voltage across the capacitor at time instants (in seconds) \(t=0^{+}\), \(t=0.50\), and \(t=\infty\), respectively, is:
Refer to the four circuits shown.

Which one of the following options for \(k_1\), \(k_2\), \(k_3\), and \(k_4\) makes all of them realizable?
A single-phase voltage source \(v_s=325\sin(2\pi 50t)\) V delivers a current, \(i=12\sin(2\pi 50t)+9\sin(2\pi 150t)\) A to a load.
The load power factor, correct up to two decimal places, is: