PhysicsMedium46×since 2002Q6915A charge QQQ is placed at each of the opposite corners of a square. A charge qqq is placed at each of the other two corners. If the net electrical force on QQQ is zero, then Q/qQ/qQ/q equals:A−1-1−1B111C−12- {1 \over {\sqrt 2 }}−21D−22- 2\sqrt 2−22Check answerSkip