Two small conducting balls of identical mass 20 g and identical charge 
hang from non-conducting threads of length, 
. If the equilibrium separation of balls is x and 
then the magnitude of x is
(Assume, 
and 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
At point B,
From Eqn. (i) and (ii), we get
From 
,
From Eq. (iii), we get
Putting the given values, we get
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