Two small diameter 10gm dielectric balls can slide freely on a vertica – McqOptions

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1.	Two small diameter 10gm dielectric balls can slide freely on a vertical channel. Each carry a negative charge of 1μC. Find the separation between the balls if the lower ball is restrained from moving.
A.	a)0.5
B.	b)0.4
C.	c)0.3
D.	d)0.2
Answer» D.

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