Answer / bala

that is the path for leakage current and fault current to
reach the ground. earthing the equipment provides safety to
the people working near that equipment.

Why transformer making sound during operations?

2 Answers  

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Define stepper motor. What is the use of stepper motor?

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why use -48 volt DC power in telecom?

3 Answers  

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what is IMPEDENCE? FORMULE?

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