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Basic Electrical Engineering MCQs: 23 Questions & Answers in Engineering

23 Basic Electrical Engineering MCQs in Engineering with answers & explanations. Practice objective questions for competitive exams, interviews & self-assess… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Basic Electrical Engineering MCQs: 23 Questions & Answers in Engineering

All sine waves

The location of lighting arrestor is?

The principle of operation of a 3 phase induction motor is most similar to that of a

Which of the following is not a general characteristic of ac wave?

A battery has a short-circuit current of 30A and an open circuit voltage of 24V. If the battery is connected to an electric bulb of resistance 2 ?, the power dissipated by the bulb is

A battery is source of

A BJT has

A capacitor is charged by a constant current of 2mA and results in a voltage increase of 12V in a 10 sec interval. The value of capacitance is

A common-collector transistor circuit is often used

A phase difference of 180deg in the circular motion model of a sine wave represents

A complex wave form made up frequency components 1 Hz, 3 Hz, 5 Hz, 7 Hz and 9 Hz. Its fundamental frequency is

A material with a high dielectric constant

A network that does not have either voltage or current source is called network

A flute sounds different than a violin, even if the two instruments are played at the same pitch, because of a difference in the

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

A degree of phase represents

A ferromagnetic core is place in the inductor to

A dc electromagnet

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?

A current surge takes place when a power supply is first turned on because

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