A charged rod attracts bits of uncharged paper. After touching the rod. they jump violently away from it because

(a) there is no place in the rod for all bits
(b) the charged rod gives a shock to the bits of paper
(c) on contact with the rod, the bits of paper acquire the same charge as the rod and are repelled
(d) none of the above

Ans: C

No comments:

Post a Comment