Advanced Problems on Two Port Network – 2 MCQ’s

Electronics & Communication Engineering Network Theory

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) = 12t2 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 t3
d) 4 t3

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 Req is _____________

network-theory-question-papers-q5

a) 10 Ω
b) 11.86 Ω
c) 11.18 Ω
d) 25 Ω

8. Given that, R1 = 36 Ω and R2 = 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 h21 is ___________

network-theory-question-papers-q10

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 h11 is ___________

network-theory-question-papers-q10

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 g11 is ___________

network-theory-question-papers-q12

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%

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