Circuit Ground

Monday, 6 August 2018

12:18 PM

Voltage is a differential quantity, meaning that a voltage in reference between two points.
We need a reference node, usually at zero volts.

Any node in a circuit can be defined as zero volts.

The zero volt symbol is referred to as the circuit ground.

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Earth

An earthed ground is literally a connection to the earth, which provides an important role in electrical safety.