Q1:

The resonant frequency of the given series circuit is

Q2:

In a mutually coupled circuit, the primary current is reduced from 4 A to zero in 10 µs. A voltage of 40000 V is observed across the secondary. The mutual inductance between the coils is

Q3:

Two coils are coupled in such a way that the mutual inductance between them is 16 mH. If the inductances of the coils are 20 mH and 80 mH respectively, the coefficient of coupling is

Q4:

Two coupled coils with L₁ = L₂ = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N₁/N₂ is

Q5:

The current in a coil changes uniformly from 10 A to 1 A in half a second. A voltmeter connected across the coil gives a reading of 36 V. The self-inductance of the coil is

Q6:

For the circuit shown below, the value of V_s is 0 when I = 4 A. The value of I when V_s = 16 V, is

Q7:

What is the current through the 5 $\Omega$ resistance in the circuit shown?

Q8:

The voltage and current waveforms for an element are shown in the figure.

The circuit element and its value are

Q9:

Consider the following two types of non-identical sources:

1. Voltage sources e₁(t) and e₂(t)

2. Current Sources i₁(t) and i₂(t)

Regarding the mode of their connection in a circuit.

Q10:

The current in the given circuit with a dependent voltage source is

Q11:

The number of independent KVL and KCL equations for a network with N-nodes and L links are respectively

Q12:

Match List-I with List-II and select the correct answer using the code given below the lists:

List-I	List-II
A. Resistance	1. Number of node pairs
B. Inductance	2. Conductance
C. Loop Current	3. Capacitance
D. Number of loops	4. Node pair voltage

 

Q13:

In a network made up of linear resistors and ideal voltage sources, values of all resistors are doubled. Then the voltage across each resistors is

Q14:

The v-i characteristics of an element is shown in the figure given below. The element is

Q15:

Energy stored in capacitor over a cycle, when excited by an a.c. source is