Simple Circuits (Leaving Cert Construction Studies): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Electric current
Electric current
Electrons flowing through a conductor
Unit of current
Unit of current
Amperes (A)
Voltage role
Voltage role
Driving force pushing current through circuit
Resistance
Resistance
Opposition to electron flow, measured in ohms
Why copper for wiring?
Why copper for wiring?
Very low resistance
Wattage
Wattage
How quickly electrical energy gets converted
Power formula
Power formula
UK: Brown wire
UK: Brown wire
Live (L) - carries current to appliance
UK: Blue wire
UK: Blue wire
Neutral (N) - completes circuit back to source
UK: Green/yellow wire
UK: Green/yellow wire
Earth (E) - prevents electric shocks
