Electrician Quiz #22 | Electrician Philippines

#1. What is the function of a resistor in an electrical circuit?

A) To increase current flow

B) To decrease current flow

C) To convert AC to DC

D) To store electrical energy

#2. What does the term “hot wire” refer to in electrical wiring?

A) The wire that carries the current from the power source to the load

B) The wire that returns current to the power source

C) The wire used for grounding

D) The wire that has no voltage

#3. What is the function of an electrical conduit?

A) To conduct electricity

B) To protect and route electrical wiring

C) To increase voltage

D) To store electrical energy

#4. What is the primary use of a dimmer switch?

A) To measure voltage

B) To convert AC to DC

C) To adjust the brightness of a light fixture

D) To increase current flow

#5. Which of the following is a safety device that automatically shuts off power when it detects an imbalance between the hot and neutral wires?

A) GFCI

B) Circuit breaker

C) Fuse

D) Relay

#6. Which of the following is a common cause of electrical fires in homes?

A) Overloaded circuits

B) Proper grounding

C) Low voltage supply

D) Using LED lights

#7. What is the purpose of a grounding rod in an electrical system?

A) To increase voltage

B) To conduct electricity

C) To provide a path to the ground for electrical current

D) To store electrical energy

#8. What is the typical voltage range for low voltage lighting systems?

A) 120-240 volts

B) 12-24 volts

C) 240-480 volts

D) 1-5 volts

#9. Which tool is commonly used to ensure that an electrical circuit is de-energized before working on it?

A) Wire stripper

B) Voltage tester

C) Pliers

D) Screwdriver

#10. What does the term “short circuit” refer to?

A) A circuit with high resistance

B) A circuit where electrical current takes an unintended path

C) A circuit with a low voltage

D) A circuit that is open

Finish

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