To determine the outgoing flux through the surface, we use Gauss’s Law, which states: Φ = Qenc/ε0 where Qenc is the total enclosed charge. Given charges: +5Q,−3Q,+2Q,−4Q Total enclosed charge: Qenc = 5Q−3Q+2Q−4Q = 0 Since the total enclosed charge ...
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The correct answer is (d) On the outer surface of the sphere. In a conducting sphere, free charges redistribute themselves and reside only on the outer surface due to electrostatic repulsion, ensuring there is no electric field inside the conductor ...
The correct answer is (a) Attraction between unlike charges. Electric field lines contract longitudinally due to the attractive force between opposite charges, which pulls the field lines together, creating a tension-like effect along their length. Class 12th Science Physics NCERT ...
The correct answer is (c) Electric field. The electric field is a vector quantity because it has both magnitude and direction. In contrast, electric charge, electric flux, and electric potential are scalar quantities, having only magnitude. Class 12th Science Physics ...
The correct answer is:(d) -q/4. For the system to be in equilibrium, the net force on each charge must be zero. When charge Q is placed at the center of two charges q and q, it must balance the forces ...