A) Positively charged
B) Negatively charged
C) Neutral
D) Made of metal
Correct Answer: C
Solution :
Let us consider 1 ball has any type of charge. 1 and 2 must have different charges, 2 and 4 must have different charges i.e. 1 and 4 must have same charges but electrostatics attraction is also present in (1, 4) which is impossible.You need to login to perform this action.
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