Answer / electrix

When High voltage passes through bare conductor. The
voltage ionises the air around its circumference. This
causes the hissing noise and the same is called corona
effect.

Answer / sreemani84

its called as CORONA Effect. whenever high supply passing
to the open wire its react with moisture.

Answer / lakhan.self

When voltage gradient is or more then 21.2 KV/CM in normal atmospheric condition in overhead transmission line causes air ionized around the conductor resulting faint voilet glow,production of ozone gas and hissing noise called corona

can we ran equipment up to 10kw between phase to grounding/ earthing. beside above can we use grounding instead of neutral. .

1 Answers   TNEB Tamil Nadu Electricity Board,

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what is the difference betn earthed and unearthed cables which is commanly used why?

2 Answers   Bhel, Power Grid,

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why the voltage and current in a long transmission line are called travelling wave?

0 Answers   UIU,

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Is it true that IPT are more accurate than CVT for Measuring purpose?

2 Answers  

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what is looping circuit in electrical lighting circuits?

5 Answers   L&T,

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what is difference between 3.5 core and 4 core cable

5 Answers   Havells,

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why -48 volts dc used in telecommucation

0 Answers  

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why do we use bundle conductors instead of using single conductor of larger size for high voltage transmission?

7 Answers  

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What is HT? And specify the range of voltage?

5 Answers   HSL,

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IN MCCB AND MCB TERMINATIONS ARE IN-COMING ON TOP AND OUT GOING ON BOTTOM,IF WE TERMINATED INTERCHANGED TOP AND BOTTOM ITS WORKS?

2 Answers  

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State and define ohm’s law?

0 Answers  

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What is CBCT ,why and whereit is used?

2 Answers  

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