895801
Description
Mind Map by Evangeline Taylor, updated more than 1 year ago
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Created by Evangeline Taylor
over 11 years ago
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Mains Electricity
- Mains Supply is AC
- UK mains is supply is
approximately 230 volts
- The frequency
is at 50 hertz
- AC = Alternating Current
- UK mains is supply is
approximately 230 volts
- Battery is DC
- DC = Direct Current
- Cells and batteries supply DC
- Current flow in the same direction
- Current flow in the same direction
- DC = Direct Current
- Electricity supplies can be shown on an
Oscilloscope Screen
- A Cathode Ray Oscilloscope
(CRO) is basically a voltmeter
- When you plug an AC supply into an
oscilloscope, you will get a 'trace' on the that
shows how the voltage of the supply changes with
time.
- A Cathode Ray Oscilloscope
(CRO) is basically a voltmeter
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