A. VCC
B. 0
C. VCC/2
D. VCC/3
✅ The correct answer is option A.
Electrical Engineering
ractice the latest Electrical Engineering MCQs with answers and explanations to prepare for exams, interviews, and job tests. Our question bank covers fundamental and advanced topics such as circuit theory, power systems, electrical machines, electronics, control systems, measurements, digital logic, and communication systems. These Electrical Engineering multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and recruitment assessments. Strengthen your technical knowledge and problem-solving skills with our updated and comprehensive Electrical Engineering MCQs
12. A JFET is also called____________ transistor?
A. unipolar
B. bipolar
C. unijunction
D. none of the above
✅ The correct answer is option A.
13. 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.
14. 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.
15. 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.
16. 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.
17. 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.
18. 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.
19. 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.
20. Commercial power supplies have voltage regulation ______________?
A. of 10%
B. of 15%
C. of 25%
D. within 1%
✅ The correct answer is option D.