March 31, 2013

Q. A charged rod attracts bits of cork dust which agter touching the rod , often jump violently away from it. why?

Q. A charged rod attracts bits of cork dust which agter touching the rod , often jump violently away from it. why?

Answer: Some electrons of charged rod attracts bits of cork dust when we make a contact between them. After some time, charge on the both (cork dust and rod) are same. So, they repel each other.As shwon in the figures below;




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