Three charges `Q_0` - q and q are placed at the vertices of an isosceles right angle triangle as in the future. The net electrostatic potential energy is zero if `Q_0` is equal to

Three charges Q_(0) , - q and -q are placed at the vertices of an isosceles right angle triangle as in the figure. The net electrostatic potential energy is zero if Q 0 is equal to :

The charges Q, +q and + q are placed at the vertices of an equilateral triangle of side l . If the net electrostatic potential energy of the system is zero , the Q is equal to

Three charges Q, +q and +q are placed at the vertices of a right-angle isosceles triangle as shown in Fig. The net electrostatic energy of the configuration is zero if Q is equal to :-

Three charges Q, +q and +q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to

Three charges Q, +q and +q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to

Three charges Q, +q and +q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to