A. unipolar
B. bipolar
C. unijunction
D. none of the above
✅ The correct answer is option A.
Electrical Engineering MCQs
In an RC coupled amplifier, the voltage gain over mid-frequency range_____________?
A. Changes abruptly with frequency
B. Is constant
C. Changes uniformly with frequency
D. None of the above
✅ The correct answer is option B.
For proper operation of the transistor, its collector should have___________________?
A. Proper forward bias
B. Proper reverse bias
C. Very small size
D. None of the above
✅ The correct answer is option B.
A relay is superior to a mechanical switch because it _______________?
A. Is relatively inexpensive
B. Does not require moving contacts
C. Combines control with power amplification
D. None of the above
✅ The correct answer is option C.
Operational amplifiers use ________________?
A. Linear ICs
B. Digital ICs
C. Both linear and digital ICs
D. None of the above
✅ The correct answer is option B.
An ammeter is connected in __________ with the circuit element whose current we wish to measure?
A. Series
B. Parallel
C. Series or parallel
D. None of the above
✅ The correct answer is option A.
The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is_____________?
A. 20,000 Ω
B. 100,000 Ω
C. 200,000 Ω
D. 1,000,000 Ω
✅ The correct answer is option B.
A 2-transistor class B power amplifier is commonly called ______________ amplifier?
A. Dual
B. Push-pull
C. Symmetrical
D. Differential
✅ The correct answer is option B.
Commercial power supplies have voltage regulation ______________?
A. of 10%
B. of 15%
C. of 25%
D. within 1%
✅ The correct answer is option D.
The stability factor of a collector feedback bias circuit is_______________ that of base resistor bias?
A. The same as
B. More than
C. Less than
D. None of the above
✅ The correct answer is option C.