Voltage & Current Summary
Voltage is the energy that drives the flow of current.
Voltage is measured in volts with a voltmeter:
Voltage is represented by the symbol, V.
One volt is the energy required to drive a current of one amp through a circuit with a resistance of one ohm.
An increase in voltage means an increase in energy and therefore an increase in current.
A decrease in voltage means a decrease in energy and therefore a decrease in current.
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