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# Basic Electrical Engineering MCQs | Page - 1

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. 1) All sine waves`

(A) Have similar general appearance
(B) Have instantaneous rise and fall times
(C) Are in the same phase as cosine waves
(D) Rise instantly, but decay slowly

## `Q. 2) The location of lighting arrestor is?`

(A) Near the transformer
(B) Near the circuit breaker
(C) Away from the transformer
(D) None

## `Q. 3) The principle of operation of a 3 phase induction motor is most similar to that of a`

(A) synchronous motor
(B) repulsion start induction motor
(C) transformer with a shorted secondary
(D) capacitor start, induction run motor

## `Q. 4) Which of the following is not a general characteristic of ac wave?`

(A) The wave shape is identical for each cycle
(B) The polarity reverses periodically
(C) The electrons always flow in the same direction
(D) There is a definite frequency

(A) 80W
(B) 1800W
(C) 112.5W
(D) 228W

## `Q. 6) A battery is source of`

(A) DC voltage
(B) 1 phase AC voltage
(C) 3 phase ac voltage
(D) ac or dc voltage

## `Q. 7) A BJT has`

(A) three PN junctions
(B) three semiconductor layers
(C) two N type layers around a P type layer
(D) a low avalanche voltage

(A) 0.75mF
(B) 1.33mF
(C) 0.6mF
(D) 1.67mF

## `Q. 9) A common-collector transistor circuit is often used`

(A) to provide high gain and sensitivity over a wide range of frequencies
(B) to match a high impedance to a low impedance
(C) as a high-fidelity audio power amplifier
(D) as an oscillator at microwaves frequencies

## `Q. 10) A complex wave form made up frequency components 1 Hz, 3 Hz, 5 Hz, 7 Hz and 9 Hz. Its fundamental frequency is`

(A) 9 Hz
(B) 12.5 Hz
(C) 1 Hz
(D) Indeterminate

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