Mains Electricity

Mains Electricity Flashcards to help with revision.

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What is the equation for Power?
Power(J) = Current (A) x Potential Difference (V)
1 of 6
Why would an appliance need to be earthed?
If it had a metal casing
2 of 6
What does RCCB stand for?
Residual Current Circuit Breaker
3 of 6
What is an advantage of a Circuit Breaker?
It is able to be reset, or it is quick
4 of 6
Explain the symbol for Double Insulated appliances
A large square with a smaller square inside
5 of 6
Which Current is 'Constantly changing direction'? AC or DC?
AC (Alternating Current)
6 of 6

Other cards in this set

Card 2

Front

Why would an appliance need to be earthed?

Back

If it had a metal casing

Card 3

Front

What does RCCB stand for?

Back

Preview of the front of card 3

Card 4

Front

What is an advantage of a Circuit Breaker?

Back

Preview of the front of card 4

Card 5

Front

Explain the symbol for Double Insulated appliances

Back

Preview of the front of card 5
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