Cannock Electricity Supply Quiz

What is the voltage level at which electricity is typically generated in power stations before it is stepped up for transmission?

• 25kV

• 230V

• 400/230V

• 400kV

What is the purpose of a step-up transformer in a power station?

• To reduce the voltage for local distribution

• To increase the voltage for efficient transmission over long distances

• To directly supply power to homes

• To convert AC to DC

After electricity is transmitted over long distances, what type of transformer is used to reduce the voltage for local distribution?

• Step-up transformer

• Step-down transformer

• Isolation transformer

• Variable transformer

What is the typical voltage level used for domestic supply in homes?

• 11kV

• 400/230V

• 33kV

• 132kV

Why do we transmit electricity at such high voltages

• To avoid losses related to volt drop

• To stop people stealing electricity

• To ensure the pigeons feet stay warm

• To ensure electricity cost are kept high

What equipment is used to produce electricity at source

• Step up transformer

• Step down transformer

• Generator

• Transmission tower

Which is a transmission voltage

• 275v

• 33kv

• 275kv

• 400v