Electrical safety

Your body is a conductor of electricity.

• true
• false

Tags

NGSS.MS-PS2-3

What colour is the live wire in a mains plug?

• Green
• Blue
• Brown

What component protects the appliance from overloading which could start a fire?

• Earth Wire

• Neutral Wire

• live wire

• Fuse

• battery

A device that contains a thin strip of metal that melts easily if the current in the circuit is too high

• Fuse

• resistor

• earth wire

• battery

• diode

What property of fuse wire enables it to act as a safety feature?

• its Boiling point

• its strength

• its Melting point

• its Texture

• its flexibility

The fuse in a circuit melts when there is:

• no earth wire

• Too much current

• Too much voltage

• Too much resistance

• a loose connection

Electricity can cause a fire.

• True

• False

This is the circuit symbol of a

• resistor

• battery

• fuse

• switch

• an earth wire

The fuse in a circuit 'blows' when the fuse wire....

• set alight

• melts

• explodes

• cracks

• falls out

Tags

NGSS.MS-PS1-4

what happens to a 3A fuse when the current reaches 3.1 amps?

• it sets alight

• it melts

• it explodes

• it cracks

• nothing happens