Electrostatics 7 Question 23
25. Four point charges, each of , are rigidly fixed at the four corners of a square planar soap film of side . The surface tension of the soap film is . The system of charges and planar film are in equilibrium, and , where is a constant. Then is
(2011)
True/False
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Solution:
If we see the equilibrium of line
where,
Therefore,
Answer is 3 .