This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Series-Series Connection of Two Port Network”.

1. In the circuit given below, the number of chords in the graph is ________________

a) 3

b) 4

c) 5

d) 6

2. In the circuit given below, the current through the 2 kΩ resistance is _____________

a) Zero

b) 1 mA

c) 2 mA

d) 6 mA

3. In the circuit given below, the value of R is ___________

a) 2.5 Ω

b) 5.0 Ω

c) 7.5 Ω

d) 10.0 Ω

4. How many incandescent lamps connected in series would consume the same total power as a single 100 W/220 V incandescent lamp. The rating of each lamp is 200 W/220 V?

a) Not possible

b) 4

c) 3

d) 2

5. The condition for a 2port network to be reciprocal is ______________

a) Z_{11} = Z_{22}

b) BC – AD = -1

c) Y_{12} = -Y_{21}

d) h_{12} = h_{21}

6. For a 2 port network, the transmission parameters are given as 10, 9, 11 and 10 corresponds to A, B, C and D. The correct statement among the following is?

a) Network satisfies both reciprocity and symmetry

b) Network satisfies only reciprocity

c) Network satisfies only symmetry

d) Network satisfies neither reciprocity nor symmetry

7. Two networks are connected in series parallel connection. Then, the forward short-circuit current gain of the network is ____________

a) Product of Z-parameter matrices

b) Sum of h-parameter matrices

c) Sum of Z-parameter matrices

d) Product of h-parameter matrices

8. The relation AD – BC = 1, (where A, B, C and D are the elements of a transmission matrix of a network) is valid for ___________

a) Both active and passive networks

b) Passive but not reciprocal networks

c) Active and reciprocal networks

d) Passive and reciprocal networks

9. In the circuit given below, the equivalent capacitance is ______________

a) C4

b) 5C13

c) 5C2

d) 3C

10. In the circuit given below, the number of node and branches are ______________

a) 4 and 5

b) 4 and 6

c) 5 and 6

d) 6 and 4

11. In the circuit given below, the equivalent inductance is ____________

a) L_{1} + L_{2} – 2M

b) L_{1} + L_{2} + 2M

c) L_{1} + L_{2} – M

d) L_{1} + L_{2}

12. In the circuit given below, the 60 V source absorbs power. Then the value of the current source is ____________

a) 10 A

b) 13 A

c) 15 A

d) 18 A

13. A moving coil of a meter has 250 turns and a length and depth of 40 mm and 30 mm respectively. It is positioned in a uniform radial flux density of 450 mT. The coil carries a current of 160 mA. The torque on the coil is?

a) 0.0216 N-m

b) 0.0456 N-m

c) 0.1448 N-m

d) 1 N-m

14. In the figure given below, the pole-zero plot corresponds to _____________

a) Low-pass filter

b) High-pass filter

c) Band-pass filter

d) Notch filter

15. In the circuit given below, the maximum power that can be transferred to the resistor R_{L} is _____________

a) 1 W

b) 10 W

c) 0.25 W

d) 0.5 W