20 Multiple Choice Questions (MCQs) with Answers |Part 1

Whether you’re preparing for exams, interviews, or just want to brush up your knowledge, these 20 carefully selected multiple-choice questions (MCQs) cover a wide range of foundational electrical engineering topics including circuits, machines, power systems, and electronics.

A) Voltage = Current × Resistance
B) Voltage = Resistance / Current
C) Resistance = Power × Voltage
D) Current = Power × Resistance

✅ Answer: A

A) Ohm
B) Farad
C) Watt
D) Coulomb

✅ Answer: B

A) Transistor
B) Diode
C) Resistor
D) MOSFET

✅ Answer: C

A) Static Induction
B) Mutual Induction
C) Electrostatic Induction
D) Self Induction

✅ Answer: B

A) True Power / Apparent Power
B) Apparent Power / True Power
C) Real Power × Reactive Power
D) Resistance / Reactance

✅ Answer: A

A) 50 Hz or 60 Hz
B) 100 Hz
C) 25 Hz
D) 75 Hz

✅ Answer: A

A) Conservation of charge
B) Conservation of energy
C) Faraday’s law
D) Coulomb’s law

✅ Answer: B

A) Iron
B) Silver
C) Copper
D) Zinc

✅ Answer: C

A) Increases speed
B) Converts DC to AC
C) Reverses current direction
D) Decreases torque

✅ Answer: C

A) No direction
B) Both directions
C) Only forward direction
D) Only reverse direction

✅ Answer: C

A) Zero voltage
B) Infinite resistance
C) Zero internal resistance
D) Very high current

✅ Answer: C

A) Increase voltage
B) Regulate frequency
C) Protect circuit from overload
D) Act as a switch

✅ Answer: C

A) Voltmeter
B) Ammeter
C) Wattmeter
D) Ohmmeter

✅ Answer: B

A) Heat
B) Magnetic field
C) Electric field
D) Light

✅ Answer: B

A) Faraday’s Law
B) Ohm’s Law
C) Lenz’s Law
D) Gauss’s Law

✅ Answer: C

A) Maximum value × 0.5
B) Average value × 1.11
C) Peak value / √2
D) Peak value × √2

✅ Answer: C

A) Inverter
B) Rectifier
C) Transformer
D) Chopper

✅ Answer: B

A) Below synchronous speed
B) Varying speed
C) Synchronous speed
D) Above synchronous speed

✅ Answer: C

A) Magnetic effect
B) Electrostatic effect
C) Heating effect
D) Inductive effect

✅ Answer: C

A) Brown-Black-Red-Gold
B) Red-Black-Red-Silver
C) Orange-Orange-Brown-Gold
D) Brown-Black-Orange-Gold

✅ Answer: A

These questions are excellent for interviews, competitive exams, and foundational understanding. Make sure to regularly practice MCQs to strengthen your concepts and spot knowledge gaps.

Watch this MCQ playlist videos on YouTube for more questions

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