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Flashcards in New Topic - Electricity Deck (8)
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1
Q

What is ‘The National Grid’?

A

A network of cables providing power to buildings

2
Q

How many volts does the power station produce?

A

25,000

3
Q

Give the order in how the power station works

A

Power Station - Step Up Transformer - Power Cables - Step Down Transformer - Houses

4
Q

What happens at a Step Up Transformer?

A

The voltage increases

5
Q

So if a step up INCREASES voltage, what does a step down transformer do?

A

Decreases Voltage

6
Q

What is ‘Electricity’?

A

A flow of charged particles

7
Q

What is the current?

A

The rate of charge flowing

8
Q

Explain why step-up transformers are used in the transmission of electricity in the National Grid

A

To increase the voltage which decreases the current and the loss of energy