Q. 555.0( 1 Vote )

A plastic comb is A. A and B

B. B and C

C. A and D

D. B and D

Answer :

After rubbing the glass rod with silk cloth, the glass rod becomes positively charged. The silk cloth becomes negatively charged. When a plastic comb is dry hair, it becomes negatively charged. The negatively charged comb induces a positive charge on the pieces of paper which are neutral in nature.

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