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Explain why a charged balloon is repelle...

Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?

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MBD -HARYANA BOARD-SOME NATURAL PHENOMENA-EXAMPLE
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  2. List any three safety measures we should observe in case of lightning.

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  8. How many kinds of electric charge are there?

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  12. The central region of earth is called :

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  13. Where is the safest place to be during a lightning storm?

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  14. What is amber?

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  15. What happens when amber is rubbed for longer time?

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  16. Who established that spark and lightning were same thing?

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  18. Give two examples of charged objects.

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  19. What happens when two balloons rubbed with woolen cloth are brought to...

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  20. Which type of charges attract each other?

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