The force that causes electrons to flow in a particular direction in a material is called electromotive force.
Electromotive force is defined as the electrical potential produced either by an electrochemical cell or by a change in a magnetic field.
- EMF is a commonly used abbreviation for electromotive force.
- EMF can also be called as voltage, which supplied by the battery.
- The negative terminal of the battery has an excess of electrons, while the positive terminal has a deficiency of electrons.
- Since the positive terminal of the battery is deficient in electrons, it attracts electrons from the conductor.
- Similarly, a negative pole with an excess of electrons repels electrons into the conductor.
therefore, the force that flows electron is EMF.
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