Name, Symbol, Unit, Definition
Voltage, V, v (volt), The electric potential energy for each coulomb of charge in a circuit.
Current, I, A (ampere), The rate at which charge moves past a point in a conductor.
Resistance, R, Ω (ohm), A measure of the opposition to current flow.
Power, P, W (watt), The rate at which electrical energy is passed on to various circuit loads.
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