A. RC
B. Transformer
C. Direct
D. Impedance
✅ 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
232. The zero signal IC is generally ______________ mA in the initial stages of a transistor amplifier?
A. 4
B. 1
C. 3
D. More than 10
✅ The correct answer is option B.
233. A monostable vibrator has_____________
A. No stable state
B. One stable state
C. Two stable states
D. None of the above
✅ The correct answer is option B.
234. The purpose of a coupling capacitor in a transistor amplifier is to ___________________?
A. Increase the output impedance of transistor
B. Protect the transistor
C. Pass a.c. and block d.c.
D. Provide biasing
✅ The correct answer is option C.
235. For faithful amplification by a transistor circuit, the value of VBE should_____________for a silicon transistor?
A. Be zero
B. Be 0.01 V
C. Not fall below 0.7 V
D. Be between 0 V and 0.1 V
✅ The correct answer is option C.
236. A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 kΩ. The other resistor value is____________?
A. 1,403 Ω
B. 4.7 kΩ
C. 2 kΩ
D. 3,403 Ω
✅ The correct answer is option B.
237. The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?
A. Avoid voltage gain drop
B. Forward bias the emitter
C. Reduce noise in the amplifier
D. None of the above
✅ The correct answer is option A.
238. A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is______________?
A. 12 V
B. 24 V
C. 0 V
D. 6 V
✅ The correct answer is option A.
239. _______________is universally used for windings of electrical machines because it is easily workable without any possibility of fracture?
A. Silver
B. Steel
C. Aluminium
D. Copper
✅ The correct answer is option D.
240. The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output?
A. 1000
B. A million
C. 100
D. 10000
✅ The correct answer is option B.