When you rub a plastic rod against your hair several times and put it near some bits of paper, the pieces of papers are attracted towards it. What does this observation indicate?

A ) The rod and the paper are oppositely charged

B ) The rod acquires a positive charge

C ) The rod and the paper have the same charges

D ) The rod acquires a negative charge ✅

Related Questions
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  5. Pico Farad is equal to:
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