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: A semiconductor has conductivity between that of a
A) Transistor and battery
B) Wire and capacitor
C) Resistor and diode
D) Conductor and insulator
Q: Efficiency of a transformer is maximum when
A) Copper loss = iron loss
B) Load is zero
C) No load
D) Full load
Q: Lightning arrestors are used to protect equipment from
A) Overload
B) Low voltage
C) High voltage surges
D) Mechanical damage
Q: The dielectric strength of a material refers to its
A) Magnetic property
B) Resistance
C) Voltage withstanding ability
D) Current rating
Q: How does an inductor react to a sudden change in current
A) It acts like a resistor
B) It resists the change
C) It stores charge
D) It accelerates current flow
Q: An ideal op-amp has
A) Infinite gain
B) All of these
C) Zero output impedance
D) Infinite input impedance
Q: Increasing frequency in an RC circuit affects capacitive reactance how
A) It increases
B) It decreases
C) Depends on resistor value
D) No change
Q: In a power system, the term ‘load shedding’ refers to
A) Stabilizing voltage
B) Increasing load capacity
C) Intentional power cut
D) Turning off appliances
Q: Kirchhoff’s Voltage Law is based on
A) Conservation of charge
B) Conservation of energy
C) Newton’s law
D) Ohm’s Law
Q: The primary use of a transformer is to
A) Change AC voltage levels
B) Increase resistance
C) Convert DC to AC
D) Measure current