Electric Charges and Fields - Result Question 6
6. A charge ’ ’ is placed at the centre of the line joining two equal charges ’ ‘. The system of the three charges will be in equilibrium if ’ ’ is equal to
[NEET Kar. 2013, 1995]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 6. (b)
Solution:
- (b) The system of three charges will be in equilibrium.
For this, force between charge at
i.e.,
By solving we get,