This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Advanced Problems on Two Port Network – 2″.

1. A voltage waveform V(t) = 12t^{2} is applied across a 1 H inductor for t ≥ 0, with initial electric current through it being zero. The electric current through the inductor for t ≥ 0 is given by __________

a) 12 t

b) 24 t

c) 12 t^{3}

d) 4 t^{3}

2. The linear circuit element among the following is ___________

a) Capacitor

b) Inductor

c) Resistor

d) Inductor & Capacitor

3. A network contains linear resistors and ideal voltage source S. If all the resistors are made twice their initial value, then voltage across each resistor is __________

a) Halved

b) Doubled

c) Increases by 2 times

d) Remains same

4. Consider a circuit having resistance 10 kΩ, excited by voltage 5 V and an ideal switch S. If the switch is repeatedly closed for 2 ms and opened for 2 ms, the average value of i(t) is ____________

a) 0.25 mA

b) 0.35 mA

c) 0.125 mA

d) 1 mA

5. A particular electric current is made up of two components a 10 A, a sine wave of peak value 14.14 A. The average value of electric current is __________

a) 0

b) 24.14 A

c) 10 A

d) 14.14 A

6. Consider a circuit having a charge of 600 C, which is delivered to 100 V source in a 1 minute. The value of Voltage source V is ___________

a) 30 V

b) 60 V

c) 120 V

d) 240 V

7. In the circuit given below the value of resistance R_{eq} is _____________

a) 10 Ω

b) 11.86 Ω

c) 11.18 Ω

d) 25 Ω

8. Given that, R_{1} = 36 Ω and R_{2} = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is ___________

a) 111 ± 0 Ω

b) 111 ± 2.77 Ω

c) 111 ± 5.55 Ω

d) 111 ± 7.23 Ω

9. The energy required to charge a 10 μF capacitor to 100 V is ____________

a) 0.01 J

b) 0.05 J

c) 5 X 10^{-9} J

d) 10 X 10^{-9} J

10. For the circuit given below, the value of the hybrid parameter h_{21} is ___________

a) 0.6 Ω

b) 0.5 Ω

c) 0.3 Ω

d) 0.2 Ω

11. A resistor of 10 kΩ with the tolerance of 5% is connected in series with 5 kΩ resistors of 10% tolerance. What is the tolerance limit for a series network?

a) 9%

b) 12.04%

c) 8.67%

d) 6.67%

12. For the circuit given below, the value of the hybrid parameter h_{11} is ___________

a) 75 Ω

b) 80 Ω

c) 90 Ω

d) 105 Ω

13. For the circuit given below, the value of the Inverse hybrid parameter g_{11} is ___________

a) 0.133 Ω

b) 0.025 Ω

c) 0.3 Ω

d) 0.25 Ω

14. A 200 μA ammeter has an internal resistance of 200 Ω. The range is to be extended to 500μA. The shunt required is of resistance __________

a) 20.0 Ω

b) 22.22 Ω

c) 25.0 Ω

d) 50.0 Ω

15. A voltmeter has a sensitivity of 1000 Ω/V reads 200 V on its 300 V scale. When connected across an unknown resistor in series with a millimeter, it reads 10 mA. The error due to the loading effect of the voltmeter is

a) 3.33%

b) 6.67%

c) 13.34%

d) 13.67%