Answer / xyz

protection and control,automatic switching,voltage regulation management in automations..
control system integrator

Answer / kamal parmar

PLC is stand for Programmable Logic Control.
so its a required for a automation control of any system.

its a required for a many reason as below explain:

1) Less Men power
2) Increase accuracy of productivity
etc.

so PLC is application in automation system or communication

The coefficient of coupling between two air core coils depends on

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state the important rating of transistor?

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