Electric potential difference refers to the change in electric potential energy per unit charge between two points in an electric field. It represents the work done on a positive test charge to move it from one point to another.
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Electric Fields: Electric fields are regions around charged objects where they exert forces on other charged objects. They determine the direction and strength of the electric force experienced by a test charge.
Electric potential is the amount of electric potential energy per unit charge at a specific point in an electric field. It represents how much work is required to bring a positive test charge from infinity to that point.
Voltage: Voltage is another term for electric potential difference. It measures the electrical pressure or push that causes charges to flow in an electrical circuit.