Electricity

If one of the bulbs is broken in this parallel circuit, what will happen to the other bulbs?

• The other bulbs will light up

• The other bulbs will not light up

• The other bulb will get dimmer

Choose the correct sentence

• This circuit will work because it is an open circuit.

• This circuit will work because it is a closed circuit

• This circuit will NOT work because it is an open circuit.

What happens if a wire is disconnected in a series circuit?

• All bulbs will go off

• Only the disconnected bulb will go off

• Nothing will happen to the bulbs

The bulb will light up brighter in ______________ circuit

• series

• parallel

• open

• closed

This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -

• the switch gives energy to the battery

• the wires are cooled by the surrounding air

• the buzzer is made of special plastic

• electricity can flow in a complete path

Which of the following can work as an energy source?

• wire

• bulb

• battery

• all of them

What is this symbol for?

• bulb

• switch

• two battery

• one battery

How many light bulbs would be ON with this complete circuit?

• 1

• 2

• 3

• 4

When a switch is _________, the electric current can flow through the circuit.

• open

• closed

What is the source of energy for this device?

• dry cell

• power plant

• solar cell

• generator