In a purely resistive circuit, the current and voltage are 90° out of phase with each other.
The rate of flow of electric charge in a loop or circuit is called current. Current is measured in ampere i.e A.
In an electric field, voltage is the energy per unit charge. Voltage is measured in volts and is denoted by V.
The relationship between current and voltage can be understood by the following equation.
V = IR
Here V is voltage, I current, and R resistance.
Voltage is the electrical potential difference or electromotive force that moves the electron in a circuit and this results in current.
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