Mains Electricity

?
The UK mains supply is approximately...
230V and is an A.C. - Alternating Current
1 of 5
An a.c. is constantly changing direction...
and the mains has a frequency of 50 Hz
2 of 5
The voltage of a battery is about...
1.5V and is a D.C. - Direct Current
3 of 5
A d.c. flows in only...
one direction
4 of 5
Frequency is how many...
complete waves per second (Hz) F= 1/T
5 of 5

Other cards in this set

Card 2

Front

and the mains has a frequency of 50 Hz

Back

An a.c. is constantly changing direction...

Card 3

Front

1.5V and is a D.C. - Direct Current

Back

Preview of the back of card 3

Card 4

Front

one direction

Back

Preview of the back of card 4

Card 5

Front

complete waves per second (Hz) F= 1/T

Back

Preview of the back of card 5

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