Answer / gopal manda

Electricity is a form of energy. Electricity is the flow of
electrons. All matter is made up of atoms, and an atom has
a center, called a nucleus. The nucleus contains positively
charged particles called protons and uncharged particles
called neutrons. The nucleus of an atom is surrounded by
negatively charged particles called electrons. The negative
charge of an electron is equal to the positive charge of a
proton, and the number of electrons in an atom is usually
equal to the number of protons. When the balancing force
between protons and electrons is upset by an outside force,
an atom may gain or lose an electron. When electrons
are "lost" from an atom, the free movement of these
electrons constitutes an electric current.

Answer / sukhdev

Flow of electrons in a closed circuit....

Answer / yashwanth

it is the flow of electrons

WHEN SINGLE PHASE SUPPLY AS 220V, WHY THE 3 PHASE- 4 WIRE MEASURED AS 440 VOLTS INSTEAD OF 660 VOLTS (220 VOLTS PER PHASE i.e 220x3 = 660 volts ).

1 Answers  

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how to reduce the co level in your 1000kva dg set side?

1 Answers   Cognizant,

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i have need all detail above basic transformer question..

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what is the definition of a power transformer ?

4 Answers  

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In industries Power factor is maintained by installing a suitable KVAR bank, How is the PF maintained for domestic use, where is the capacitor bank connected

3 Answers  

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when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

0 Answers   ETA,

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length of 4 core cable 95mm from substation LV VFD panel to Motor at field approximately 150 meter. Motor stop and power has been isolated from LV MCC ( Substation )to disconnect Motor for services. After Motor completed service propose to reinstall and reconnect Motor Cable, found earth cable sparkling during touching at metal / motor body. Inspect by clamp meter found earth cable have current flow AC 1-2amps and all earth cable at MCC LV also have current flow as same value. why it is happen?

2 Answers  

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what is the use of earthing ?

8 Answers   Electrical Tech,

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what is the difference between 11kv and 13.8 kv? why we can't used one of these 2 sources?

2 Answers  

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How to apply 'c' license and also explain what is difference between 'c' and 'b'license.i am also working in one of the private company.i have finished my diploma in 2014 .i have already finished in ITI electrician course.....

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Why 30°phase shift occur in star-delta transformer between primary and secondary?

1 Answers  

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what is transformer?

2 Answers  

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