Three identical charged balls each of charge 2C are suspended from a common point P by silk threads of 2m each (as shown in figure). They form an equilateral triangle of side 1m.The ratio of net force on a charged ball to the force between any two charged balls will be:
A
1 : 1
B
1 : 4
C
:2
D
:1
Text Solution
Verified by ExpertsThe correct answer is:
D
(F = Force between two charges).
F = 4k
(F net = Net electrostatic force on one charged ball)
Remark: Net force on any one of the ball is zero. But no option given in options.
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