How does lightning occur when air is an insulator ?

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Solution

The electricity passing through the atmosphere rapidly heats and expands the air as a result of which successive portions of air become conductive as the electrons and positive ions of air molecules are pulled away from each other and forced to flow in opposite directions.

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Similar questions

How does electric discharge in lightning occur if air is a bad conductor of electricity?

(a) What is lightning? How is lightning produced between clouds in the sky?

(b) Why does lightning usually strike tall buildings?

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