P5 - Electricity In The Home Flashcards Preview

AQA GCSE Physics > P5 - Electricity In The Home > Flashcards

Flashcards in P5 - Electricity In The Home Deck (4)
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1

D.C?

Direct current (torch etc.)

2

A.C

Alternating current, repeatedly reverses its direction of flow

3

Frequency?

= 1/ time
Taken for one cycle of waves

4

Current alternates because...

There is a large potential difference between the neutral wire and the live wire. Polarity reverses the direction.