02 Practical Electricity
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9 Terms
1
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formula for power
P = VI
2
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formula for energy
E = VIt
3
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what does 1000W, 240V mean
when connected to 240V, it will transfer 1000 joules of energy to a different store per second
4
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what di wet conditions cause
they reduce the natural resistance of your hand and give you an electric shock
5
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what do frated cables cause
they lead to a high voltage and a current will go through your body
6
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what does overloading cause
it causes the main wire to be very hot and causes a fire
7
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what do short circuit cause
they cause a large current to flow which causes a fire
8
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calculate cost
cost = power x time x rate
9
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formula for power (using resistance)
P = V2/R
Note 
Flashcards (38)