1.

An inflated balloon is rubbed with a woollen cloth and in another case, a ballpen refill is rubbed with polythene. When the balloon and refill are brought closer, it is observed that they attract each other. What can we understand by this?

Answer»

An inflated balloon is rubbed with a woollen cloth and in another case, a ballpen refill is rubbed with polythene. When the balloon and refill are brought closer, it is observed that they attract each other. What can we understand by this?




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