why voltage is called as electromotiveforce
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Just as water needs some pressure to force it through a pipe, electrical current needs some force to make it flow. "Volts" is the measure of "electrical pressure" that causes current flow. Voltage is sometimes referred to as the measure of a potential difference between two points along a conductor.
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Voltage. Voltage is electric potential energy per unit charge, measured in joules per coulomb ( = volts). ... When a voltage is generated, it is sometimes called an "electromotive force" or emf. Used to calculate current in Ohm's law. Used to express conservation of energy around a circuit in the voltage law.
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