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Ground Symbol
A universal symbol used in electrical diagrams and schematics to denote the common return path for an electric current, or a direct physical connection to the Earth.
Applied Voltage
The electric potential difference applied across a device or component.
Voltage Across
The potential difference in electric potential between two points in an electrical circuit.
Voltage Polarity
The polarity of the voltage at a particular point in a circuit. Generally of concern in direct current circuits.
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