Electric CircuitsElectronic Engineering Mcqs 100+ MCQ & Answer Electric Circuits| page-04 |Electric Engineering MCQ And Answer January 27, 2025 DSN MARATHI 31. The safest value of current the human body can carry for more than 3 second is A. 4 mA B. 9 mA C. 15 mA D. 25 mA Answer Option : B 32. The purpose of a parallel circuit resonance is to magnify A. Current B. Voltage C. Power D. Frequency Answer Option : B 33. The power is measured in terms of decibels in case of A. Electronic equipment B. Transformers C. Current transformers D. Auto transformers Answer Option : A 34. Wire-wound resistors are unsuitable for use at high frequencies because they A. Create more electrical noise B. Are likely to melt under excessive eddy current heat C. Consume more power D. Exhibit unwanted inductive and capacitive effects Answer Option : D 35. The product of apparent power and cosine of the phase angle between circuit voltage and current is A. True power B. Reactive power C. Volt-amperes D. Instantaneous power Answer Option : A 36. In a series resonant circuit, the impedance of the circuit is A. Minimum B. Maximum C. Zero D. None of the above Answer Option : A 37. In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value A. Will change the maximum value of current at resonance B. Will change the resonance frequency C. Will change the impedance at resonance frequency D. Will increase the selectivity of the circuit Answer Option : D 38. In a loss-free R-L-C circuit the transient current is A. Oscillating B. Square wave C. Sinusoidal D. Non-oscillating Answer Option : C 39. In a circuit containing R, L and C, power loss can take place in A. C only B. L only C. R only D. All above Answer Option : C 40. Time constant of a capacitive circuit A. Increases with the decrease of capacitance and decrease of resistance B. Increases with the decrease of capacitance and increase of resistance C. Increases with the increase of capacitance and decrease of resistance D. Increase with increase of capacitance and increase of resistance Answer Option : D
31. The safest value of current the human body can carry for more than 3 second is A. 4 mA B. 9 mA C. 15 mA D. 25 mA Answer Option : B
32. The purpose of a parallel circuit resonance is to magnify A. Current B. Voltage C. Power D. Frequency Answer Option : B
33. The power is measured in terms of decibels in case of A. Electronic equipment B. Transformers C. Current transformers D. Auto transformers Answer Option : A
34. Wire-wound resistors are unsuitable for use at high frequencies because they A. Create more electrical noise B. Are likely to melt under excessive eddy current heat C. Consume more power D. Exhibit unwanted inductive and capacitive effects Answer Option : D
35. The product of apparent power and cosine of the phase angle between circuit voltage and current is A. True power B. Reactive power C. Volt-amperes D. Instantaneous power Answer Option : A
36. In a series resonant circuit, the impedance of the circuit is A. Minimum B. Maximum C. Zero D. None of the above Answer Option : A
37. In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value A. Will change the maximum value of current at resonance B. Will change the resonance frequency C. Will change the impedance at resonance frequency D. Will increase the selectivity of the circuit Answer Option : D
38. In a loss-free R-L-C circuit the transient current is A. Oscillating B. Square wave C. Sinusoidal D. Non-oscillating Answer Option : C
39. In a circuit containing R, L and C, power loss can take place in A. C only B. L only C. R only D. All above Answer Option : C
40. Time constant of a capacitive circuit A. Increases with the decrease of capacitance and decrease of resistance B. Increases with the decrease of capacitance and increase of resistance C. Increases with the increase of capacitance and decrease of resistance D. Increase with increase of capacitance and increase of resistance Answer Option : D
