PhysicsMedium46×since 2002Q7012Four equal point charges Q each are placed in the xy plane at (0, 2), (4, 2), (4, –2) and (0, –2). The work required to put a fifth charge Q at the origin of the coordinate system will be -AQ24πε0{{{Q_2}} \over {4\pi {\varepsilon _0}}}4πε0Q2BQ222πε0{{{Q^2}} \over {2\sqrt 2 \pi {\varepsilon _0}}}22πε0Q2CQ24πε0(1+13){{{Q_2}} \over {4\pi {\varepsilon _0}}}\left( {1 + {1 \over {\sqrt 3 }}} \right)4πε0Q2(1+31)DQ24πε0(1+15){{{Q_2}} \over {4\pi {\varepsilon _0}}}\left( {1 + {1 \over {\sqrt 5 }}} \right)4πε0Q2(1+51)Check answerSkip