Electrician Exam Question Paper (100 MCQs With Answers)

Electrician Exam Question Paper (100 MCQs With Answers)

Electrician Exam Question Paper Download (PDF)


PART – A (Technical – Electrician Trade) – 20 Questions


**1. The unit of electric current is—

(A) Watt
(B) Ohm
(C) Ampere
(D) Farad
➡ Answer: (C)**

**2. Ohm’s Law states—

(A) V = IR
(B) P = VI
(C) E = mc²
(D) V = I/R
➡ Answer: (A)**

**3. The resistance of a conductor depends on—

(A) Length
(B) Area
(C) Material
(D) All of the above
➡ Answer: (D)**

**4. The color of the earth wire is—

(A) Red
(B) Blue
(C) Yellow
(D) Green
➡ Answer: (D)**

**5. 1 kWh is equal to—

(A) 3600 J
(B) 3.6 × 10⁶ J
(C) 3.6 × 10³ J
(D) 36 J
➡ Answer: (B)**

**6. The power factor of a purely resistive circuit is—

(A) 0
(B) 0.5
(C) 1
(D) –1
➡ Answer: (C)**

**7. The instrument used to measure voltage is—

(A) Ammeter
(B) Wattmeter
(C) Voltmeter
(D) Multimeter
➡ Answer: (C)**

**8. A transformer works on the principle of—

(A) Induction
(B) Resistance
(C) Capacitance
(D) Radiation
➡ Answer: (A)**

**9. Frequency of AC supply in India—

(A) 50 Hz
(B) 60 Hz
(C) 100 Hz
(D) 25 Hz
➡ Answer: (A)**

**10. A device used to protect a circuit from overload—

(A) MCB
(B) Relay
(C) Timer
(D) Contactor
➡ Answer: (A)**

**11. Star connection is most commonly used in—

(A) Transmission
(B) Distribution
(C) Motor winding
(D) Transformer
➡ Answer: (C)**

**12. The main function of a capacitor is—

(A) Store energy
(B) Reduce voltage
(C) Increase current
(D) Stop current
➡ Answer: (A)**

**13. Which one is a semiconductor?

(A) Copper
(B) Silicon
(C) Iron
(D) Mica
➡ Answer: (B)**

**14. Earthing is done to—

(A) Protect equipment
(B) Reduce shock
(C) Provide low resistance path
(D) All of the above
➡ Answer: (D)**

**15. In a DC machine, commutator converts—

(A) AC to DC
(B) DC to AC
(C) Heat to electricity
(D) Magnetism to electricity
➡ Answer: (A)**

**16. The unit of power is—

(A) Volt
(B) Ampere
(C) Watt
(D) Ohm
➡ Answer: (C)**

**17. A fuse wire must have—

(A) Low melting point
(B) High melting point
(C) High resistivity
(D) Low resistivity
➡ Answer: (A)**

ELECTRICIAN EXAM QUESTIONS

**18. Which motor has high starting torque?

(A) Shunt motor
(B) Series motor
(C) Synchronous motor
(D) Stepper motor
➡ Answer: (B)**

**19. Megger is used to measure—

(A) Low resistance
(B) High insulation resistance
(C) Voltage
(D) Power
➡ Answer: (B)**

**20. Electrical energy is measured in—

(A) Watts
(B) Ampere-hour
(C) Kilowatt-hour
(D) Farad
➡ Answer: (C)**  

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