Q. A phase difference of 180deg in the circular motion model of a sine wave represents
✅ Correct Answer: (B)
½ revolution
Basic Electrical Engineering MCQs | Page - 2
Dear candidates you will find MCQ questions of Basic Electrical Engineering here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. A network that does not have either voltage or current source is called network
✅ Correct Answer: (B)
Passive
Q. A material with a high dielectric constant
✅ Correct Answer: (A)
Acts to increase capacitance per unit volume
Q. A house served by a 220V supply light, is protected by a 9-Ampere fuse. The maximum number of 60 W bulbs in parallel that can be turned on is
✅ Correct Answer: (B)
33
Q. A flute sounds different than a violin, even if the two instruments are played at the same pitch, because of a difference in the
✅ Correct Answer: (D)
Waveform
Q. A ferromagnetic core is place in the inductor to
✅ Correct Answer: (B)
Increase the inductance
Q. A degree of phase represents
✅ Correct Answer: (D)
1/360 of a cycle
Q. A dc to dc converter having an efficiency of 80% is delivering 16W to a load. If the converter is generating an output of 200V from an input source of 20V, then the current drawn from the source will be?
✅ Correct Answer: (C)
1.0A
Q. A dc electromagnet
✅ Correct Answer: (A)
has constant polarity
Q. A current surge takes place when a power supply is first turned on because
✅ Correct Answer: (C)
the filter capacitor must be initially charged
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