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When we speak of positive and negative charges, the electrons in the outer range of an atom must be displaced by the application of an admissible external force. Electrons that are generally forced to the outer side of their own trajectories can result in the lack of electrons in the atom from which they emerge, causing an excess in the atom in the target.

 

The deficiency of these electrons can cause a positive charge to be produced, considering that there are more protons than electrons, and the considerable excess of electrons can create a negative charge correctly.

 

It is worth remembering that the main circuit, called the force, is responsible for the power process, as well as the connection between the motor terminals and wires and the mains. In this way, the control circuit has as main objective to control the power circuit, indicating the exact moment in which the electric motor will be turned on or off.

 

The starting switches on the electric motors are combined by the protection devices, which have fuse, thermal relay, control devices, with pushbutton, motor circuit breaker, contactor and timer; and signaling devices.

Electric motor circuit