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-V -

VAC
Volts ac

VDC
Volts dc

Vmp
Voltage at maximum power

Voc
Open-circuit voltage

Voltage (Volt, V)
A unit of electrical potential difference between two points. The relationship between power, current and voltage is expressed in the Power Equation, P=IV. The relationship between voltage, current, and resistance is expressed in Ohm's Law, V=IR