adspace


diff between neutral ,ground,phase , earthing and shielding?

Answer Posted / Siddharth

Neutral, ground, phase, earthing, and shielding are all related to electrical systems but have distinct meanings:
- Neutral (N) is a conductor that carries current back to the power source, returning it to complete the circuit. In a three-phase system, there are typically three neutral conductors.
- Ground (GND or Earth) is a reference point for electrical potential in an electrical circuit, usually at zero volts. It provides a path for electrical current to flow safely to the earth during fault conditions.
- Phase (L1, L2, and L3) refers to the three alternating currents of different frequencies and phases that make up a three-phase power system.
- Earthing (also known as grounding) is the process of connecting exposed conductive parts to the earth or ground potential to prevent electrical shock and ensure safety.
- Shielding refers to the protective measures used to reduce electromagnetic interference (EMI) and radio frequency interference (RFI) in electronic devices.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

2541


can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know

2194


DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.

1980


plz send me general of ongc

2046


i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

2159


please send data bank of quetions answers on analytical instrumentation.

1983


Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com

2943


I WANT SECURITY PAPER MILL, HOSHANGABAD TEST PAPER.KINDLY SEND TO MY MAIL ID

2865


Good evening all I need a small favour regarding reliance paper i wanna probable sample papers(e&i) of reliance. if any of u have any idea about dis then plz mail me back.i belongs to electronics and instrumentation engg.so i need e&i papers. thanking u....

2164


any body please send me the old question papers of ongc test.

2175


hello can yoy pls send me previous papers of jindalpower and steel ltd.....'m from instrumentation..... mani1048@gmail.com

2071


sir, give me placement papers and interview quistion of birla group company of copper.

2922


please any body have most important data for study for saudi aramco test of instrument QC thanks email shahnaveedullah@gmail.com

1747


send me last 5 years questions asked in rrb chennai, for section engineer

2179


What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.

2293