Physics: Year 9 Term 3: AC/DC

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What does DC stand for and what is this? (2)
Direct Current - current flowing in one direction constantly
1 of 7
What does AC stand for and what is this? (2)
Alternating Current - current constantly changing direction
2 of 7
A mains circuit has what current? (1)
AC
3 of 7
Why is this? (2)
The PD alternates between the live and neutral wire
4 of 7
What is the National Grid? (2)
The network of cables/transformers that supplies the AC mains
5 of 7
The live wire is alternately what 2 charges? (2)
Positive/negative
6 of 7
The neutral wire has how many volts of PD? (1)
0V
7 of 7

Other cards in this set

Card 2

Front

What does AC stand for and what is this? (2)

Back

Alternating Current - current constantly changing direction

Card 3

Front

A mains circuit has what current? (1)

Back

Preview of the front of card 3

Card 4

Front

Why is this? (2)

Back

Preview of the front of card 4

Card 5

Front

What is the National Grid? (2)

Back

Preview of the front of card 5
View more cards

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