A. Equal to but opposite in phase to
B. Equal to but in phase with
C. Greater than but in phase with
D. Less than but in phase with
✅ 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
142. In a loaded Zener regulator, which is the largest Zener current ?
A. Series current
B. Zener current
C. Load current
D. None of the above
✅ The correct answer is option A.
143. __________ has a low relative permeability and is used principally in field frames when cost is of primary importance and extra weight is not objectionable?
A. Cast steel
B. Aluminium
C. Soft steel
D. Cast iron
✅ The correct answer is option D.
144. The leakage current in a pn junction is of the order of________________?
A. Aa
B. mA
C. kA
D. µA
✅ The correct answer is option D.
145. A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately___________?
A. 14 mA
B. 1.4 mA
C. 5 mA
D. 50 mA
✅ The correct answer is option B.
146. Which of the following essential features is possessed by an indicating instrument?
A. Deflecting device
B. Controlling device
C. Damping device
D. All of the above
✅ The correct answer is option D.
147. When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on_________________?
A. Junction capacitance
B. Minority carriers
C. Majority carriers
D. None of the above
✅ The correct answer is option B.
148. In an unregulated power supply, if load current increases, the output voltage _____________?
A. Remains the same
B. Decreases
C. Increases
D. None of the above
✅ The correct answer is option B.
149. For crane travel which of the following motors is normally used ?
A. Synchronous motor
B. D.C. differentially compound motor
C. Ward-Leonard controlled D.C. shunt motor
D. AC. slip ring motor
✅ The correct answer is option D.
150. Which of the following generating station has minimum running cost?
A. Nuclear
B. Hydro
C. Thermal
D. Diesel
✅ The correct answer is option B.