In the rectangle, shown below, the two corners have charges \[{{q}_{1}}=-5\mu C\] and \[{{q}_{2}}=+2.0\mu C\]. The work done in moving a charge \[+3.0\mu C\] from \[B\] to \[A\] is (take \[1/4\pi {{\varepsilon }_{0}}={{10}^{10}}N\text{-}{{m}^{2}}/{{C}^{2}}\]) [AMU 2001]

• A.            2.8 J
• B.                                      3.5 J
• C.            4.5 J                                         
• D.            5.5 J