A. small value of current
B. large value of current
C. large value of power
D. large value of voltage
✅ The correct answer is option A.
Electrical Engineering MCQs
Which of the following motors are pre-ferred for overhead travelling cranes ?
A. Slow speed motors
B. Continuous duty motors
C. Short time rated motors
D. None of the above
✅ The correct answer is option C.
Commonly used standard capacitor is______________?
A. spherical type
B. concentric cylindrical type
C. electrostatic type
D. multilayer parallel plate type
✅ The correct answer is option B.
At a certain frequency, the output voltage of a filter is 6 V and the input is 12 V. The voltage ratio in decibels is_____________?
A. 6.02 dB
B. -6.02 dB
C. 12.04 dB
D. -12.04 dB
✅ The correct answer is option B.
In an unregulated power supply, if input a.c. voltage increases, the output voltage _______________?
A. Increases
B. Decreases
C. Remains the same
D. None of the above
✅ The correct answer is option A.
A VTVM is never used to measure ______________?
A. Voltage
B. Current
C. Resistance
D. None of the above
✅ The correct answer is option B.
For faithful amplification by a transistor circuit, the value of VCE should______________for silicon transistor?
A. Not fall below 1 V
B. Be zero
C. Be 0.2 V
D. None of the above
✅ The correct answer is option A.
The characteristics of drive for crane hoisting and lowering are which of the following ?
A. Precise control
B. Smooth movement
C. Fast speed control
D. All of the above
✅ The correct answer is option D.
The output stage of a multistage amplifier usually employs______________?
A. Push-pull amplifier
B. Preamplifier
C. Class A power amplifier
D. None of the above
✅ The correct answer is option A.
When a transistor is driven to cut off, ideally the output is _______________?
A. VCC
B. 0
C. VCC/2
D. VCC/3
✅ The correct answer is option A.