A square loop of side 20 cm and resistance 1 $$\Omega$$ is moved towards right with a constant speed $$v_0$$. The right arm of the loop is in a uniform magnetic field of 5 T. The field is perpendicular to the plane of the loop and is going into it. The loop is connected to a network of resistors each of value 4$$\Omega$$. What should be the value of $$v_0$$ so that a steady current of 2 mA flows in the loop?