| Electric current is flow of electrons in a conductor. The force required to make current flow through a conductor is called voltage and potential is the other term of voltage. For example, the first element has more positive charges, so it has higher potential. On the other hand, the second element has charges that are more negative so it has lower potential. The difference between two points is called potential difference.Electromotive force means the force which makes current continuously flows through a conductor. This force can be generated from power generator, battery, flashlight battery and fuel cell, etc.Volt, abbreviated “V“, is the unit of measurement used interchangeably for voltage, potential, and electromotive force. One volt means a force which makes current of one amp move through a resistance of one ohm. |
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