The correct answer is C. Centrifugal switch.
A centrifugal switch is a switch that is used to disconnect the starting winding of a single phase motor when the motor reaches a certain speed. This is done to prevent the starting winding from overheating. The centrifugal switch is usually located on the motor shaft and is activated by centrifugal force.
A magnetic relay is a switch that is used to control a circuit by means of a magnetic field. The magnetic relay is usually used to control a high current circuit with a low current circuit.
A thermal relay is a switch that is used to protect a circuit from overheating. The thermal relay is usually used to control a motor by disconnecting the power to the motor if the motor overheats.
None of the
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