Electrician Quiz #24 | Electrician Philippines

#1. Which of the following devices converts electrical energy into mechanical energy?

A) Transformer

B) Generator

C) Motor

D) Rectifier

#2. What is the function of an electrical ballast in a fluorescent light?

A) To increase voltage

B) To provide a starting voltage and regulate current

C) To convert AC to DC

D) To measure resistance

#3. Which of the following materials is commonly used for electrical insulation?

A) Copper

B) Aluminum

C) Plastic

D) Iron

#4. What is the main function of a photovoltaic cell?

A) To convert electrical energy into light

B) To convert light energy into electrical energy

C) To store electrical energy

D) To measure current flow

#5. Which of the following is a characteristic of direct current (DC)?

A) Current flows in one direction only

B) Current reverses direction periodically

C) Current remains constant

D) Current flows through multiple paths

#6. What is the purpose of a load center in an electrical system?

A) To measure voltage

B) To increase current flow

C) To store electrical energy

D) To distribute electrical power to different circuits

#7. What is the primary function of an electrical substation?

A) To generate electricity

B) To distribute and regulate electrical power

C) To store electrical energy

D) To convert AC to DC

#8. Which of the following is a characteristic of three-phase power?

A) Consists of three electrical currents with the same phase

B) Consists of three electrical currents with the same voltage

C) Consists of one electrical current with three voltages

D) Consists of three electrical currents with different phases

#9. Which tool is used to create holes in electrical panels for wire entry?

A) Wire stripper

B) Voltage tester

C) Knockout punch

D) Conduit bender

#10. Which of the following is a type of electrical conduit used for underground installations?

A) PVC

B) EMT

C) FMC

D) RMC

Finish

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