Electrical Engineering MCQs
Electrical Engineering MCQs for PPSC, FPSC, NTS, and competitive exams cover power systems, electronics, circuits, machines, and electromagnetism. Practice these questions to master concepts, improve time management, and excel in electrical engineering tests 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