Q1:

Consider the following standard symbols for two-port parameters:

1. h₁₂ and h₂₁ are dimensionless.

2. h₁₁ and B have dimensions of ohms.

3. BC is dimensionless.

4. C is dimensionless.

Which of the above are correct?

Q2:

For the two-port network, the impedance parameter matrix $[Z]=\left[\begin{array}{cc}{Z}_{11}& Z_{12}\\ Z_{21}& Z_{22}\end{array}\right]$ is

Q3:

A, B, C and D represent the transmission parameters of a two-port network. When is the network reciprocal?

Q4:

A series RLC circuit has a bandwidth of 300 rad/s at a resonant frequency of 3000 rad/s when excited by a voltage source of 100 V. The inductance of the coil is 0.1 H. The value of R and the voltage across C are, respectively

Q5:

Consider two nodes A and B connected by an impedance of j5 $\Omega$. If the voltages at nodes A and B are $100\angle {30}^0$V and  $100\angle 0^0$ V respectively, the real power that can be transferred from node A to B is

Q6:

The voltage-current relationship feeding the network N is shown in the below figure. The Thevenin’s equivalent of network N will have V_TH and R_TH as

Q7:

In the circuit shown below, for different values of R, the values of V and I are given, other elements remaining the same

When $R=\infty$,  V = 5 V

When $R=0$,  ${\rm I}=2.5A$

When $R=3\Omega$, the value of V is given by

Q8:

The linear network as shown below has only resistors. If ${{\rm I}}_1=8A$and ${{\rm I}}_2=12A$; V is found to be 80 V. $V=0$when ${{\rm I}}_1=-8A$and ${{\rm I}}_2=4A$. Then the value of V when ${{\rm I}}_1={{\rm I}}_2=10A$, is

Q9:

For the circuit shown in the given figure, when the voltage E is 10 V, the current I is 1 A. If the applied voltage across terminal C-D is 100 V, the short circuit current flowing through the terminal A-B will be

Q10:

The network shown below is initially at rest. What is the initial current ${\rm I}$ when the switch S is closed at t = 0?

Q11:

Consider the following circuit:

The circuit shown above is in steady state before closing the switch. What is the current $i\left(0^{+}\right)$ through the switch if the circuit is closed at t = 0?

Q12:

The graph associated with an electrical network has 7 branches and 5 nodes. The number of independent KCL equations and the number of independent KVL equations, respectively, are

Q13:

The number of chords in the graph of the given circuit will be

Q14:

An air-cored solenoid of 250 turns has a cross-sectional area A = 80 cm² and length l = 100 cm. The value of its inductance is

Q15:

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

Q16:

The figure shows a network in which the diode is an ideal one.

the terminal v-I characteristics of the network is given by

Q17:

The equivalent resistance between the terminals A and B is ……….$\Omega$.

Q18:

In the given circuit, the parameter k is positive, and the power dissipated in the $2\Omega$ resistor is 12.5 W. The value of k is….

Q19:

A segment of a circuit is shown in figure V_R = 5 V, V_C = 4 sin2t. The voltage V_L is given by

Q20:

If the power dissipated in the circuit shown below is 8 W, then the value of E will be