P2 5 Cables and Current Flashcards

1
Q

What is direct current?

A

Direct Current is in one direction only

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2
Q

What is alternating current?

A

Alternating current repeatedly reverses its direction

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3
Q

Give an example of direct current

A

The battery in a torch

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4
Q

Give an example of alternating current

A

Switching a light on at home

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5
Q

What does a mains circuit have?

A

A mains circuit has: a live wire that is alternatively positive and negative at every cycle a neutral wire at 0 volts the neutral wire earthed at the local substation

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6
Q

Plug Wiring

A
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