Electrostatics 2 Question 5
5. Three charges and are placed at the vertices of a right angle isosceles triangle as shown below. The net electrostatic energy of the configuration is zero, if the value of is (Main 2019, 11 Jan I)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 5. (a)
Solution:
- Electrostatic energy between two charges
and such that the distance between them is given as
In accordance to the principle of superposition, total energy of the charge system as shown in the figure below is
It is given that,