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ALBERTA ELECTRICIAN RED SEAL EXAM QUESTIONS AND
CORRECT ANSWER (VERIFIED ANSWEWRS) PLUS
RATIONALE 2026 Q&A|INSTANT DOWNLOAD PDF
1. Ohm’s Law states: A. P = V × I B. V = I × R C. I = P × R D. R = V × P Answer: B Rationale: Fundamental relationship between voltage, current, and resistance. 2. Electrical power is calculated as: A. V/I B. V × I C. I/R D. V × R Answer: B Rationale: Power equals voltage multiplied by current. 3. Resistance is measured in: A. Volts B. Amperes C. Ohms D. Watts Answer: C Rationale: Unit of opposition to current flow. 4. Current is measured in:
A. Volts B. Ohms C. Amperes D. Watts Answer: C Rationale: Flow of electric charge.
5. Voltage is best described as: A. Flow of electrons B. Electrical pressure C. Resistance D. Power Answer: B Rationale: Drives current through a circuit. 6. In a series circuit: A. Voltage is constant B. Current is constant C. Resistance is zero D. Power is lost Answer: B Rationale: Same current flows through all components. 7. In a parallel circuit: A. Current is same everywhere B. Voltage is same across branches C. Resistance increases D. Power is zero Answer: B Rationale: Voltage remains constant across branches.
12. GFCI protects against: A. Overvoltage B. Ground faults C. High resistance D. Power loss Answer: B Rationale: Detects leakage current. 13. AC current: A. Flows one direction B. Alternates direction C. Has no voltage D. Is always DC Answer: B Rationale: Reverses direction periodically. 14. DC current: A. Alternates direction B. Flows one direction C. Has no power D. Is unstable Answer: B Rationale: Constant polarity. 15. Frequency is measured in: A. Volts B. Hertz C. Amps D. Ohms
Answer: B Rationale: Cycles per second.
16. Standard household frequency in Canada is: A. 50 Hz B. 60 Hz C. 100 Hz D. 120 Hz Answer: B Rationale: North American standard. 17. Transformer function: A. Stores energy B. Changes voltage levels C. Produces DC D. Stops current Answer: B Rationale: Steps voltage up or down. 18. Step-up transformer: A. Reduces voltage B. Increases voltage C. Increases resistance D. Stops current Answer: B Rationale: Secondary voltage is higher. 19. Step-down transformer: A. Increases voltage B. Reduces voltage
A. Only smallest resistor B. Algebraically C. Only largest resistor D. Zero Answer: B Rationale: RT = R1 + R2 + R
24. Multimeter measures: A. Only voltage B. Voltage, current, resistance C. Only power D. Only frequency Answer: B Rationale: Basic electrician tool. 25. Ammeter measures: A. Voltage B. Current C. Resistance D. Power Answer: B Rationale: Must be in series. 26. Voltmeter is connected: A. In series B. In parallel C. In ground D. Not connected Answer: B Rationale: Measures potential difference.
27. Motor converts: A. Heat to electricity B. Electrical energy to mechanical energy C. Light to sound D. Chemical to light Answer: B Rationale: Core function of electric motors. 28. Generator converts: A. Mechanical to electrical energy B. Electrical to heat C. Light to electricity D. Sound to heat Answer: A Rationale: Opposite of motor. 29. Ohmic conductor follows: A. Kirchhoff’s Law B. Ohm’s Law C. Newton’s Law D. Faraday’s Law Answer: B Rationale: Linear V-I relationship. 30. Insulator has: A. Low resistance B. High resistance C. No voltage D. No current Answer: B Rationale: Prevents current flow.
Answer: A Rationale: Prevents injury.
35. Lockout/tagout ensures: A. Equipment speed B. Equipment is de-energized C. Voltage increase D. Noise reduction Answer: B Rationale: Prevents accidental energizing. 36. Kirchhoff’s Current Law states: A. Voltage is constant B. Current entering = current leaving C. Resistance is zero D. Power increases Answer: B Rationale: Conservation of charge. 37. Kirchhoff’s Voltage Law states: A. Current is constant B. Voltage sum in loop = 0 C. Resistance is zero D. Power is infinite Answer: B Rationale: Energy conservation. 38. Capacitor stores: A. Current B. Charge
C. Resistance D. Heat Answer: B Rationale: Temporary energy storage.
39. Inductor stores: A. Magnetic energy B. Light C. Heat D. Voltage only Answer: A Rationale: Magnetic field energy storage. 40. Relay is: A. Motor B. Electrically controlled switch C. Transformer D. Battery Answer: B Rationale: Uses coil to switch circuits. **41 – 60 (Final High-Yield Section)
- Contact resistance increases due to:** A. Clean surfaces B. Corrosion C. High voltage D. Low current Answer: B Rationale: Poor connections increase resistance.
Answer: B Rationale: Overloads system.
46. Power factor measures: A. Resistance B. Efficiency of power use C. Voltage only D. Current only Answer: B Rationale: Real vs apparent power. 47. Low power factor results in: A. Efficiency B. Energy loss C. No effect D. Higher frequency Answer: B Rationale: Wasted energy. 48. Capacitive loads cause: A. Lagging current B. Leading current C. No current D. DC flow Answer: B Rationale: Current leads voltage. 49. Inductive loads cause: A. Leading current B. Lagging current
C. No voltage D. DC only Answer: B Rationale: Common in motors.
50. Ground fault occurs when: A. Normal operation B. Current flows to ground unintentionally C. Voltage increases D. Resistance increases Answer: B Rationale: Safety hazard. 51. A closed circuit means: A. No current flow B. Complete path for current C. High resistance D. Broken wire Answer: B Rationale: Current can flow only in a complete loop. 52. An open circuit results in: A. High current B. No current flow C. Low resistance D. High voltage only Answer: B Rationale: Break in path stops current. 53. Voltage drop in a conductor depends on: A. Color of wire B. Resistance and current
A. Voltage rating B. Maximum safe current C. Resistance level D. Power output Answer: B Rationale: Current-carrying capacity of a conductor.
58. Overheating of conductors is mainly caused by: A. Low voltage B. Excess current C. Low resistance D. High frequency Answer: B Rationale: Current above ampacity generates heat. 59. A ground fault circuit interrupter (GFCI) trips when: A. Voltage increases B. Current leakage is detected C. Resistance decreases D. Frequency rises Answer: B Rationale: Detects imbalance in current. 60. Arc fault circuit interrupter (AFCI) protects against: A. Overvoltage B. Dangerous arcing conditions C. Low current D. Battery failure Answer: B Rationale: Detects arcing that may cause fires.
61. The purpose of a relay is to: A. Store energy B. Control a circuit using a low-power signal C. Increase resistance D. Convert AC to DC Answer: B Rationale: Electrically operated switch. 62. A contactor is used for: A. Low current circuits B. High power switching C. Measuring voltage D. Resistance testing Answer: B Rationale: Controls heavy electrical loads. 63. A capacitor stores energy in: A. Magnetic field B. Electric field C. Heat D. Mechanical force Answer: B Rationale: Stores electrical charge. 64. Inductance is measured in: A. Ohms B. Farads C. Henrys D. Watts Answer: C Rationale: Unit of inductance.
Answer: B Rationale: Efficiency of power usage.
69. A low power factor indicates: A. Efficient system B. Inefficient system C. No power usage D. High resistance only Answer: B Rationale: More energy loss. 70. Electrical grounding system connects equipment to: A. Power supply B. Earth C. Neutral only D. Switchboard Answer: B Rationale: Safety reference point. 71. Neutral wire carries: A. Fault current B. Return current C. No current D. Ground only Answer: B Rationale: Completes circuit path. 72. Hot wire carries: A. No current B. Supply voltage
C. Ground only D. Resistance Answer: B Rationale: Energized conductor.
73. Conduit is used to: A. Increase voltage B. Protect electrical wiring C. Generate power D. Store energy Answer: B Rationale: Mechanical protection for cables. 74. Electrical load refers to: A. Source of power B. Device consuming power C. Generator D. Transformer Answer: B Rationale: Equipment that uses electricity. 75. Short circuit results in: A. High resistance B. Very high current flow C. No current D. Low voltage only Answer: B Rationale: Direct low-resistance path. 76. Electrical resistance increases with:
