EPP 5 Practice Exercise Electricity

What is the primary function of a bulb in an electrical circuit?

• • A) To conduct electricity

• • B) To provide light

• • C) To insulate the circuit

• • D) To act as a switch

Which material is commonly used for electrical wires so that electricity can flow?

• • A) Plastic

• • B) Rubber

• • C) Copper

• • D) Wood

What is the purpose of electrical tape?

• • A) To conduct electricity

• • B) To insulate and protect electrical connections

• • C) To act as a fuse

• • D) To switch the circuit on and off

What does a switch do in an electrical circuit?

• • A) Provides light

• • B) Conducts electricity

• • C) Opens and closes the circuit

• • D) Insulates the circuit

Which of the following is a good conductor of electricity?

• • A) Glass

• • B) Rubber

• • C) Copper

• • D) Plastic

Which of the following is an insulator?

• • A) Copper

• • B) Aluminum

• • C) Rubber

• • D) Silver

What is a short circuit?

• • A) A circuit with a broken wire

• • B) A circuit with a switch

• • C) A circuit with low resistance causing excessive current flow

• • D) A circuit with a fuse

In a series circuit, how are the components connected?

• • A) In parallel

• • B) End-to-end in a single path

• • C) Randomly

• • D) With multiple paths

In a parallel circuit, how are the components connected?

• • A) In a single path

• • B) End-to-end

• • C) In multiple paths

• • D) Randomly

  
  

What is the function of a fuse in an electrical circuit?

• • A) To conduct electricity

• • B) To provide light

• • C) To protect the circuit by breaking the connection if the current is too high

• • D) To insulate the circuit