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Dominic John Repici
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Voltage, Current, Resistance

 
Voltage (E) is a POTENTIAL which is measured in volts. Current (I) is measured in Amps, and is what happens when electrons at a given voltage are permitted to flow through a circuit (i.e., the circuit is completed).

Voltage (E), therefore, is a measure of how much current (I) CAN flow across a given resistance (R) if permitted to do so.

Voltage (that is, the potential) exists, whether electrons are flowing or not. Measuring a given potential, however, requires that some (usually tiny) amount of current be permitted to flow through the measuring device..

 

 
 


































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