We know that air is an insulator and electric current can not pass through it. So how do the sparks and lightning occurs?
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Answer:
Charges
Explanation:
Air is an insulator. But in the case of lightnings, the air in the atmosphere gets charged up. The interaction between the positive and negative produces such effects. I would also like to mention a fact that if air was a good conductor of electricity, then lightnings wouldn't have occurred.
Hope this helps
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