Electrical Engineering MCQ Question Papers: Campus Placement

Subject: Network Analysis 6

**Part 6: List for questions and answers of Network Analysis**

** **

**Q1. An electrical circuit with 10 branches and 7 nodes will have**

**a) 10**

**b) 20**

**c) 30**

**d) 40**

** **

**Q2. In active filters which element is absent?**

**a) Inductor**

**b) Capacitor**

**c) Both of above**

**d) Resistor**

** **

**Q3. Advantage of active filter is**

**a) Do not offer gain**

**b) Easy to tune**

**c) Both of above**

**d) Derive high impedance load**

** **

**Q4. Disadvantages of constant k type filter**

**a) Characteristic impedance unchanged in pass band**

**b) Attenuation does not increase rapidly beyond cut off frequency**

**c) Both A and B**

**d) None of these**

** **

**Q5. In Cauer 1st form last element in the network is**

**a) Lseries**

**b) Cseries**

**c) Lshunt**

**d) Cshunt**

** **

**Q6. The voltage across R and L in a series RL circuit are found to be 200 V and 150 V ****respectively The rms value of the voltage across the series combination is ___ V**

**a) 360**

**b) 250**

**c) 200**

**d) 450 **

** **

**Q7. Kirchhoffs second law is based on law of conservation of**

**a) Charge**

**b) Energy**

**c) Momentum**

**d) Mass**

** **

**Q8. A series circuit consists of R = 20 OHM, L = 20 mH, and AC supply 60 V with f = 100 Hz ****The current in R is**

**a) 254 A**

**b) 127 A**

**c) 508 A**

**d) 1016 A**

** **

**Q9. A series circuit consists of R = 20 OHM, L = 20 mH, and AC supply 60 V with f = 100 Hz ****The voltage drop across R is**

**a) 306 V**

**b) 508 V**

**c) 408 V**

**d) 244 V**

** **

**Q10. A series circuit consists of R = 20 OHM, L = 20 mH, and AC supply 60 V with f = 100 H ****The voltage drop across L is**

**a) 391 V**

**b) 319 V**

**c) 455 V**

**d) 505 V**

** **

**Q11. A series circuit consists of R = 20 ohm, L = 20 mH, and AC supply 60 V with f = 100 Hz The ****phase angle of current in respect of supply voltage will be**

**a) 404**

**b) 321**

**c) 288**

**d) 202**

** **

**Q12. If a resistor and an inductor are connected in series across a voltage source Which two ****parameters in that circuit increase if frequency of voltage source increases?**

**a) VL and Z**

**b) Z and I**

**c) VL and I**

**d) VL and VR **

** **

**Q13. If a resistor and an inductor are connected in series across a voltage source Which two ****parameters in that circuit decrease if frequency of voltage source increases?**

**a) VL and Z**

**b) VR and I**

**c) Z and I**

**d) VL and VR**

** **

**Q14. If a resistor and a capacitor are connected to form series R – C circuit across a voltage ****source If frequency of voltage source increases**

**a) The current increases**

**b) The current decreases**

**c) The current remain unaltered**

**d) The current decreases abruptly**

** **

**Q15. Which of the following is not a bilateral?**

**a) Resistor**

**b) Diode**

**c) Capacitor**

**d) Inductor**

** **

**Q16. Which of the following characteristics is attributed to an ideal independent voltage ****source?**

**a) Independent of magnitude of current supplied**

**b) Dependent of the magnitude of current supplied**

**c) Dependent of the direction of flow of current**

**d) None of above**

** **

**Q17. Dependent source of current and voltage are those which have**

**a) Unidirectional characteristic**

**b) Output dependent on input**

**c) Independent of any other network variable**

**d) All of the above**

** **

**Q18. A network contains linear resistors and ideal voltage source s If values of all the ****resistors are doubled, then voltage across each resistor is**

**a) Halved**

**b) Doubled**

**c) Increase by two times**

**d) Remain same **

** **

**Q19. With some initial change at t = 0+, a capacitor will act as**

**a) Short circuit**

**b) Open circuit**

**c) A voltage source**

**d) A current source**

** **

**Q20. For a 3 – phase load balanced condition; each phase has the same value of ______**

**a) Impedance**

**b) Resistance**

**c) Power factor**

**d) All of these**

** **

**Part 6: List for questions and answers of Network Analysis**

** **

**Q1. Answer: b**

** **

**Q2. Answer: a**

** **

**Q3. Answer: b**

** **

**Q4. Answer: b**

** **

**Q5. Answer: a**

** **

**Q6. Answer: b**

** **

**Q7. Answer: b**

** **

**Q8. Answer: a**

** **

**Q9. Answer: b**

** **

**Q10. Answer: b**

** **

**Q11. Answer: b**

** **

**Q12. Answer: a**

** **

**Q13. Answer: b**

** **

**Q14. Answer: a**

** **

**Q15. Answer:**

** **

**Q16. Answer: a**

** **

**Q17. Answer: b**

** **

**Q18. Answer: d**

** **

**Q19. Answer: c**

** **

**Q20. Answer: d**