Electrostatics 7 Question 6
6. The figures below depict two situations in which two infinitely long static line charges of constant positive line charge density
In their resulting electric field, point charges 
(a) both charges execute simple harmonic motion.
(b) both charges will continue moving in the direction of their displacement.
(c) charge
(d) charge
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Solution:
- At the shown position, net force on both charges is zero. Hence they are in equilibrium. But equilibrium of
