An electric current causes a shaft in a motor to rotate.
What is electric current?
The stream of positive charges which flow from the positive terminal to the negative terminal of the battery attached in a circuit.
An electric motor is the mechanical device which is used to transfer or move the water or fluid from the ground (zero potential energy) to the height (high potential energy).
Thus, An electric current causes a shaft in a motor to rotate.
Learn more about electric current.
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