First slide

Electric charges and its properties

Question

Which of the following four figures correctly show the forces that three charged particles exert on each other?

Easy

A

all of the above
B

none of the above
C

ii, iii
D

ii, iii and iv

Solution

(i) is incorrect because '1' and '2' are repelled by '3'. So '1' and'2' have charge of same nature. Hence they should repel each other. For this reason, (ii) is correct.
(iii) is correct if charge on '2' and '3' is of same nature and on'1' opposite of them.
(iv) All attraction is not possible.

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