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
Q

D.C?

A

Direct current (torch etc.)

2
Q

A.C

A

Alternating current, repeatedly reverses its direction of flow

3
Q

Frequency?

A

= 1/ time

Taken for one cycle of waves

4
Q

Current alternates because…

A

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