Question

+q
a tq
a
(i) Calculate the work required to assemble each of the
systems of charges
+9 a-q
(which is same as
the electrostatic
a a 2
à a
potential energy
of the system)
-9
+9
shown in Fig.
-9 -q
(a)
(a) and (b). (ii) A
(b)
charge qo is brought from infinity to the centre of the
square, the four charges being held fixed at its corners.
How much extra work is needed to do this?​

Answer 1

Answer:

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Explanation:

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