Unit Test: Electric Circuit

Will the electricity flow in the electric circuit if the switch is open or not connected to both ends?

• No, because it is a complete circuit.

• Yes, because it is a complete circuit.

• No, because it is an incomplete circuit.

• Yes, because it is an incomplete circuit.

Which of the following supplies electricity to the electric circuits?

• Connecting wires

• Bulb

• Battery

• Switch

Which of the following is the symbol of a switch?

• 
• 
• 
• 

What is this component?

• Switch

• Battery

• Bulb

• Connecting wires

What is the function of the rubber/plastic

in the circuit?

• Used as a conductor

• Used as an insulator

• Used as a power source

• Used as a breaker

The diagram shows what kind of circuit?

• Closed circuit

• Open circuit

What should we do to complete the circuit?

• We should put more switches.

• We should use connecting wire to connect A with C.

• We should add connecting wire to connect A with D.

• We should add more light bulbs.

________________ circuit has separate paths for electric current to flow through the components in the circuit.

• Series

• Parallel

________________ circuit are connected to each other by end to end without any branches.

• Series

• Parallel

When the switch is turned off, the bulb does not light up. The circuit is ________.

• Incomplete circuit

• Complete circuit