Physics # 1

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  • Created by: Bunter
  • Created on: 17-05-13 12:01
What is a alternating current?
Electrcity crrent in a circuit that repeatly reverses its direction
1 of 5
What is a frequency?
The number of complete cycles an alternating passes through each second. The unit of frequency is hertz (Hz)
2 of 5
What is a live wire?
The wire of a mian circuit that has a potential that alternates from positive to negative and back each cycle.
3 of 5
What is a neutral wire?
The wire of a mians circuit hat is earthed at the local substation so its poitentialis close to zero
4 of 5
What does earthed mean?
Connected to the groundby means of conducting lead or wire
5 of 5

Other cards in this set

Card 2

Front

What is a frequency?

Back

The number of complete cycles an alternating passes through each second. The unit of frequency is hertz (Hz)

Card 3

Front

What is a live wire?

Back

Preview of the front of card 3

Card 4

Front

What is a neutral wire?

Back

Preview of the front of card 4

Card 5

Front

What does earthed mean?

Back

Preview of the front of card 5

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