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• Question . (a) Deduce the expression for the torque acting on a dipole of dipole moment p→ in the presence of a uniform electric field E. (b) Consider two hollow concentric spheres, S 1 and S 2, enclosing charges 2Q and 4Q respectively as shown in the figure.
• An illustration of two photographs. If the charges on the spheres in equilibrium are q1 and q2, respectively, what is the ratio of the field strength at the surfaces of the spheres? Two concentric , spherical conducting shells have radii r 1 and r 2 and charges Q 1 and Q 2 , as shown above.Let r be the distance from the center of the spheres and consider the region r 1 r.
• The time of sliding down the radius vector r is t = 1/2r/(g sin 0). Three concentric metallic spherical shells of radii r , 2r , 3r, are given charges q1 , q2 , q3, respectively. it is found that the surface charge densities on the outer surfaces of the shells are equal. then, the ratio of the charges given to the shells, q1 : q2 : q3, is ...
• Where dq is the charge and ds is the surface area of the conductor. CALCULATION: Let the charges on P and Q be q P and q Q and the surface charge densities be σ P and σ Q. σ P = q P 4 π R P 2 and σ Q = q Q 4 π R Q 2. Since they have the same surface charge densities , σ P = σ Q.
• Find the electric field and volume charge distributions for the following potential distribution: V = 2 r^3 + cos theta (in spherical coordinates) View Answer Two charged concentric spheres have. Two concentric spheres of radii r and 2r are given charges q1 and q2