Electrical Engineering MCQs
Electrical Engineering MCQs are essential for aspirants preparing for engineering exams and job tests conducted by PPSC, FPSC, NTS, and other testing services. This section includes questions from power systems, basic electronics, circuit analysis, machines, measurements, and electromagnetism. Whether you're revising for an academic test or preparing for professional assessments, these multiple-choice questions are tailored to cover the entire Electrical Engineering syllabus. The content is designed to reflect current trends in competitive exams and industry requirements. Practicing these MCQs will help you strengthen your concepts, improve time management, and increase your chances of scoring high in electrical engineering exams in Pakistan.
Q: The time constant of an RC circuit is
A) 1/RC
B) C/R
C) R/C
D) RC
✅ Correct Answer: D
Explanation: Time constant τ = RC, represents the time for the voltage to reach ~63% of final value
Q: Slip in an induction motor is defined as
A) Input frequency
B) Speed of rotation
C) Magnetic field speed
D) Difference between synchronous and rotor speed
✅ Correct Answer: D
Explanation: Slip determines how much slower the rotor runs compared to the magnetic field
Q: Negative feedback in an amplifier
A) Improves stability
B) Increases distortion
C) Raises gain
D) Decreases bandwidth
✅ Correct Answer: A
Explanation: Negative feedback enhances stability and reduces distortion
Q: A moving coil instrument can measure
A) AC only
B) Only resistance
C) DC only
D) Both AC and DC
✅ Correct Answer: C
Explanation: It’s primarily used for DC due to its unidirectional torque