Define Initial Selection and Identify the Devices Used During the Initial

question 21

Essay

Define initial selection and identify the devices used during the initial selection stage.

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Definitions:

Magnetic Polarity

Refers to the orientation of the magnetic field, denoted by north and south poles, determining the direction in which a magnetic field is applied.

Electromagnetic Field

A physical field produced by electrically charged objects, affecting the behavior of charged objects in its vicinity.

CEMF

Counter Electromotive Force, which is the voltage generated by a running motor or generator that opposes the applied voltage.

Magnetic Polarity

Refers to the orientation of the magnetic poles in a magnet, determining the direction of the magnetic field's flow.