P5 AQA Electricity in the Home KP

The frequency of mains electricity in the uk is ___hz (cycles per second)

• 50
• wind
• specific
• Braking
• resolving

Mains electricity uses _______________(name) current.

• alternating
• wave
• solid
• Conserved
• voltage

U.K. Mains = _________V

• 230
• unreliable
• radiation
• Directly proportional
• Use the formula to work out the current for a microwave with a 230V@ 690W rating. ______ A (do not include the unit).

A battery supplies _______________ current to an appliance.

• Direct
• tidal
• Power
• Elastic
• up

The fuse _______________ when there is too much current flowing through the circuit.

• melts
• start
• Metals
• Extension
• transformers

What colour is the live wire?

• Brown
• solar
• mass
• Inertia
• Power

What colour is the neutral wire?

• Blue
• shortest
• loft insulation
• proportionality
• plastic

The ____________ wire is green and yellow

• earth
• renewable
• liquid
• Mass
• national grid

All appliances with a __________ case need a 3 core cable containing live@ neutral and earth wires.

• metal

• nuclear

• Joules

• Momentum

• glass

The pins on a plug are made out of _____________ because it is a good conductor and it doesn't rust or oxidise

• Brass
• non
• maintenance
• Stopping
• melts