Question

lu
טע)
q
(D
45. The work done in
bringing two charges
9
(q) at a distance a
from each other is
2mJ. Four charges
-q a
q
q, -q, qand -e are brought to
the four corners of a square of
edge 'a' the work done will be
(A)
(B) 2mJ
(C)-2mJ (D) none of these
plzzz give me solutions ​

Answer 1

The work done in

bringing two charges

9

(q) at a distance a

from each other is

2mJ. Four charges

-q a

q

q, -q, qand -e are brought to

the four corners of a square of

edge 'a' the work done will be

(A)

(B) 2mJ

(C)-2mJ (D) none of these