Electricity and Magnetism

In this below, Which one not a component of a simple circuit?

• Lamp

• Copper wire

• Cells

• Magnet

Closing a switch will make the electric current

• flow

• not flow

• stop

• seen

Which one is a buzzer in picture below?

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• 
• 
• 

The bulbs shine less brightly when you add .......... to the circuit.

• more bulbs

• more battery

• more wires

• more switches

Look at the picture. What happen to the bulb when the switch at this position?

• The bulb will not light up

• The bulb will light up

• The circuit will produce fire

• The circuit will produce sounds.

What is wrong with the simple circuit below?

• The lamp is broken

• One of the wires is not attached wel in bulb holderl, so the electricity doesn't flow.

• The battery is small

• Nothing is wrong

The statement below that is not the correct way to use electricity safely is

• Never use electrical appliances when your hands are wet

• Never push anything especially finger or metal object into wall socket.

• Don't plug too many appliances into one socket

• Use wet hand when you plug in the electricity

Which one in the picture below is the safe way to use electricity?

• 
• 
• 
• 

Why is the wall socket looks dangerous?

• There is wet

• The people can fall down

• There's too many appliances plugs into one socket, it'll overload and cause a fire

• You push your fingers into a wall socket

If main electricity flows through your body, you will get an ....

• Electric body

• Electric shocks

• Electric song

• Electric power