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Principles, hazards & risks associated with electricity (Effects of…
Principles, hazards & risks associated with electricity
Voltage
The potential difference between two points in an electrical field, measured in volts (v)
Current
The measure of the flow of electricity through a conductor, measured in amps (l)
Resistance
The measure of how a material or device reduces the electrical flow through it, measured in ohms (R)
The relationship between voltage, current & resistance
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