A. Short
B. Open
C. Partially short
D. None of the above
✅ The correct answer is option B.
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
112. The point of intersection of d.c. and a.c. load lines represents __________________?
A. Operating point
B. Current gain
C. Voltage gain
D. None of the above
✅ The correct answer is option A.
113. A transformer coupled class A power amplifier has a load of 100 O on the secondary. If the turn ratio is 10:1, what is the value of load appearing on the primary?
A. 5 kO
B. 20 kO
C. 100 kO
D. 10 kO
✅ The correct answer is option D.
114. A CS JFET amplifier has a load resistance of 10 kO , RD= 820O . If gm= 5mS and Vin= 500 mV, the output signal voltage is__________________?
A. 2.05 V
B. 25 V
C. 0.5 V
D. 1.89 V
✅ The correct answer is option D.
115. The size of a power transistor is made considerably large to________________?
A. Provide easy handling
B. Dissipate heat
C. Facilitate connections
D. None of the above
✅ The correct answer is option B.
116. A tuned amplifier is generally operated in ____________operation?
A. Class A
B. Class C
C. Class B
D. None of the above
✅ The correct answer is option B.
117. In a certain common-source D-MOSFET amplifier, Vds =3.2 V r.m. and Vgs = 280 mV r.m.s. The voltage gain is_______________?
A. 1
B. 11.4
C. 8.75
D. 3.2
✅ The correct answer is option B.
118. A class C amplifier always drives _____________load?
A. A pure resistive
B. A pure inductive
C. A pure capacitive
D. A resonant tank
✅ The correct answer is option D.
119. A certain Wheatstone bridge has the following resistor values: R1 = 10 kΩ, R2 = 720 Ω, and R4 = 2.4 kΩ. The unknown resistance is_____________?
A. 24 Ω
B. 2.4 Ω
C. 300 Ω
D. 3,000 Ω
✅ The correct answer is option D.
120. At room temperature, an intrinsic semiconductor has_______________?
A. Many holes only
B. A few free electrons and holes
C. Many free electrons only
D. No holes or free electrons
✅ The correct answer is option B.