Mains Electricity

HideShow resource information
The UK mains supply is approximately...
230V and is an A.C. - Alternating Current
1 of 13
An a.c. is constantly changing direction...
and the mains has a frequency of 50 Hz
2 of 13
The voltage of a battery is about...
1.5V and is a D.C. - Direct Current
3 of 13
A d.c. flows in only...
one direction
4 of 13
Frequency is how many...
complete waves per second (Hz) F= 1/T
5 of 13
Time Period is how many...
seconds fro 1 complete wave (s) T= 1/F
6 of 13
Trace...
is a graph of voltage by time
7 of 13
Voltage Sensitivity...
How many volts per division (cm or square) going vertically on the oscilloscope
8 of 13
Time Base...
How much time passes in each division (" ") horizontally on the oscilloscope
9 of 13
If the trace on the screen is a straight line ,it is a...
d.c. supply as it is always at the same voltage
10 of 13
An a.c. gives a regular repeating wave, which you can...
work out the period and frequency of the supply
11 of 13
Gain dial controls how many...
volts each division represnts on th vertical axis
12 of 13
Time Base dial controls how many...
milliseconds (1ms = 0.001s) each division represents on the horizontal axis
13 of 13

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
View more cards

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Eleccy resources »