Electrical Engineering MCQ Question Papers: Campus Placement

Subject: Network Analysis 3

**Part 3: List for questions and answers of Network Analysis**

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**Q1. The time constant of RL circuit is——**

**a) RL**

**b) L/R**

**c) R/L**

**d) L**

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**Q2. Inductor does not allow sudden changes in—**

**a) Voltage**

**b) Power**

**c) Current**

**d) All of the above**

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**Q3. Transient current in an RLC circuit is oscillatory when—**

**a) (R/2L)2 greater than 1/LC**

**b) (R/2L)2 greater than 1/LR**

**c) (R/2L)2 less than 1/LC**

**d) (R/2L)2=1/LC**

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**Q4. The time constant of RC circuit is—**

**a) RC**

**b) C/R**

**c) R/C**

**d) R**

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**Q5. When a series RL circuit is connected to a voltage V at t=0, the current passing through ****the inductor L at t=0+ is—**

**a) 0**

**b) infinity**

**c) 1**

**d) v**

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**Q6. Capacitor does not allow sudden changes in—**

**a) Voltage**

**b) Power**

**c) Current**

**d) All of the above **

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**Q7. The laplace transform of a unit step function is–**

**a) 1**

**b) 1/S**

**c) S**

**d) 0**

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**Q8. The laplace transform of a impulse function is—**

**a) 1**

**b) 1/S**

**c) S**

**d) 0**

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**Q9. The final value theorem is used to find the——**

**a) Transient value**

**b) Steady state value**

**c) Total response**

**d) Natural response**

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**Q10. When a series RC circuit is connected to a voltage V at t=0, the current passing through ****the circuit at t=0+ is —**

**a) 0**

**b) Infinity**

**c) 1**

**d) V/R**

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**Q11. The transient current in a loss -free L-C Circuit when excited from an ac source is an —– ****sine wave**

**a) Undamped**

**b) Over damped**

**c) Under damped**

**d) Critically damped**

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**Q12. The transient response occurs**

**a) Only in resistive circuits**

**b) Only in inductive circuits**

**c) Only in capacitive circuits**

**d) Both options b **

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**Q13. Transient behaviour occurs in any circuit when**

**a) There are sudden changes of applied voltage**

**b) The voltage source is shorted**

**c) The circuit is connected or disconnected from the supply**

**d) All of these**

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**Q14. Laplace transform analysis gives**

**a) Time domain response only**

**b) Frequency domain response only**

**c) Both a and b**

**d) None**

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**Q15. The Laplace transform of first derivative of a function f(t) is**

**a) F(s)/s**

**b) sF(s)-f(0)**

**c) F(s)-f(0)**

**d) f(0)**

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**Q16. The laplace transform of integral of a function f(t) is**

**a) F(s)/s**

**b) sF(s)-f(0)**

**c) F(s)-f(0)**

**d) f(0)**

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**Q17. A 10 ohm resistor, a 1 H inductor and 1 µF capacitor are connected in parallel. The ****combination is driven by a unit step current. Under the steady state condition, the source ****current flows through**

**a) The resistor**

**b) The inductor**

**c) The capacitor only**

**d) All the three elements**

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**Q18. The Steady state value can be calculated using —**

**a) Initial value**

**b) Final value theorem**

**c) Total response**

**d) Natural response **

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**Q19. Sudden change in current is not occurred in which component**

**a) Capacitor**

**b) Inductor**

**c) Resistor**

**d) Natural response**

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**Q20. Sudden change in voltage is not occurred in which component**

**a) Capacitor**

**b) Inductor**

**c) Resistor**

**d) Natural response **

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**Part 3: List for questions and answers of Network Analysis**

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**Q1. Answer: b**

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**Q2. Answer: c**

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**Q3. Answer: c**

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**Q4. Answer: a**

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**Q5. Answer: a**

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**Q6. Answer: a**

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**Q7. Answer: b**

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**Q8. Answer:**

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**Q9. Answer: b**

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**Q10. Answer:**

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**Q11. Answer: a**

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**Q12. Answer: c**

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**Q13. Answer:**

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**Q14. Answer: c**

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**Q15. Answer: b**

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**Q16. Answer: a**

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**Q17. Answer: a**

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**Q18. Answer: b**

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**Q19. Answer: b**

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**Q20. Answer: a**