Solve this question Q 66 The work done in bringing two charges (q) at a distance 'a' from each - Physics - Electric Charges And Fields

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Q 66 The work done in bringing two charges (q) at a distance 'a'
from each other is 2 mJ Four charges q, - q, q and - q are brought
to the four corners of a square of edge 'a' the work done will
be

(A) 0
(B) 2 mJ
(C) - 2 mJ
(D) none of these

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Solve this question Q.66. The work done in bringing two charges (q) at a distance 'a' from each other is 2 mJ. Four charges q, - q, q and - q are brought to the four corners of a square of edge 'a' the work done will be (A) 0 (B) 2 mJ (C) - 2 mJ (D) none of these

Solve this question
Q.66. The work done in bringing two charges (q) at a distance 'a' from each other is 2 mJ. Four charges q, - q, q and - q are brought to the four corners of a square of edge 'a' the work done will be

(A) 0
(B) 2 mJ
(C) - 2 mJ
(D) none of these