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