The work done in bringing two charges (q)at a distance 'a'from each other is 2mj. The
work done in assembling q and -q with a distance between them will be
A 2mj
B -2mj
C zero
D none
please explain answer with full details
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Answer:The work done in bringing two
charges (q) at a distance a' from
each other is 2mJ. Three charges
q, -q and q are assembled at the
three corners of an equilateral
triangle. The work done will be
(A)zero (B)-2mJ
(C)4mJ
Explanation:
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