generation and transmission of electricity

Electricity is generated at a .......

• power station

• petrol station

• power source

• source of energy

Transformers on distribution poles .............. voltage for use in homes.

• step down

• step up

• step right

• step left

Electricity is sent over ............... transmission lines.

• low voltage

• no voltage

• high voltage

Transmission ................ carry the transmission lines

• poles

• transformers

• boxes

• pylons

Electricity is distributed along…

• Direct current

• Alternating current

• Transmission lines

• Transformer

If the current is transmitted at high voltage...

• less energy is lost

• more energy is lost

• it produces alternating current

• underground cables are used

Generators normally produce...

• Alternating current

• Direct current

Step-up transformers...

• increase the voltage

• decrease the voltage

Heavy industry usually needs a voltage of...

• 33,000 volts

• 11,000 volts

• 120 volts

• 140 volts

Direct current is...

• The highest point reached by something

• A flow of electricity that moves in one direction only

• A flow of electricity that regularly changes direction

• A tall metal structure