Lightening

Does lightening contain voltage or current, Explain.

Questions by mallick.subratkumar   answers by mallick.subratkumar

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raul10

  • Apr 7th, 2009
 

Lightening is an an electricity charge that happens when two different charges clash in the clouds. This contains no current because it discharges to the nearest low resistance objects.

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gdhana2006

  • Apr 25th, 2009
 

You just imagine a heavy source accumulated in the form of clouds at the sky. You just think the very nearest contact point of earth potential to the cloud.

Eg Tower, Lighting arrester etc.
Once heavy rain occurs and the rain water may connect these heavy source and the earthing point.
So heavy discharge may occur b/w them in the form of arc. This is the lightening we can see at the sky.

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shrinirmal

  • May 1st, 2009
 

An electrical discharge between cloud and earth, between the charge centre of the same cloud is known as LIGHTENING,
A direct or indirect lightening stroke on a transmission line produces steep-fronted voltage wave on line, the voltage of this wave may be rise from zero to peak value.

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