Electric CircuitsElectronic Engineering Mcqs 100+ MCQ & Answer Electric Circuits| page-02 |Electric Engineering MCQ And Answer January 27, 2025 DSN MARATHI 11. Two or more cells when connected in series make a A. battery B. circuit C. terminal D. resistor Answer Option : A 12. The energy which modern gadgets, devices and machines use is A. electrical B. magnetic C. thermal D. chemical Answer Option : A 13. A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to A. The capacitive reactance in ohms B. The current flowing in capacitor C. The size of the capacitor being quite big D. The statement is incorrect Answer Option : D 14. The period of a wave is A. The same as frequency B. Time required to complete one cycle C. Expressed in amperes D. None of the above Answer Option : B 15. The r.m.s. value and mean value is the same in the case of A. Triangular wave B. Sine wave C. Square wave D. Half wave rectified sine wave Answer Option : C 16. Poor power factor A. Reduces load handling capability of electrical system B. Results in more power losses in the electrical system C. Overloads alternators, transformers and distribution lines D. Results in all above Answer Option : D 17. Power factor of the system is kept high A. To reduce line losses B. To maximize the utilization of the capacities of generators, lines and transformers C. To reduce voltage regulation of the line D. Due to all above reasons Answer Option : D 18. Inductance of coil A. Is unaffected by the supply frequency B. Decreases with the increase in supply frequency C. Increases with the increase in supply frequency D. Becomes zero with the increase in supply frequency Answer Option : C 19. Which of the following coil will have large resonant frequency? A. A coil with large resistance B. A coil with low resistance C. A coil with large distributed capacitance D. A coil with low distributed capacitance Answer Option : C 20. At very low frequencies a series R-C circuit behaves as almost purely A. Resistive B. Inductive C. Capacitive D. None of the above Answer Option : C
11. Two or more cells when connected in series make a A. battery B. circuit C. terminal D. resistor Answer Option : A
12. The energy which modern gadgets, devices and machines use is A. electrical B. magnetic C. thermal D. chemical Answer Option : A
13. A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to A. The capacitive reactance in ohms B. The current flowing in capacitor C. The size of the capacitor being quite big D. The statement is incorrect Answer Option : D
14. The period of a wave is A. The same as frequency B. Time required to complete one cycle C. Expressed in amperes D. None of the above Answer Option : B
15. The r.m.s. value and mean value is the same in the case of A. Triangular wave B. Sine wave C. Square wave D. Half wave rectified sine wave Answer Option : C
16. Poor power factor A. Reduces load handling capability of electrical system B. Results in more power losses in the electrical system C. Overloads alternators, transformers and distribution lines D. Results in all above Answer Option : D
17. Power factor of the system is kept high A. To reduce line losses B. To maximize the utilization of the capacities of generators, lines and transformers C. To reduce voltage regulation of the line D. Due to all above reasons Answer Option : D
18. Inductance of coil A. Is unaffected by the supply frequency B. Decreases with the increase in supply frequency C. Increases with the increase in supply frequency D. Becomes zero with the increase in supply frequency Answer Option : C
19. Which of the following coil will have large resonant frequency? A. A coil with large resistance B. A coil with low resistance C. A coil with large distributed capacitance D. A coil with low distributed capacitance Answer Option : C
20. At very low frequencies a series R-C circuit behaves as almost purely A. Resistive B. Inductive C. Capacitive D. None of the above Answer Option : C