A spherical cavity of radius r is made in a conducting sphere of radius 2r. A charge 9 is kept at the centre of cavity as shown in the figure. Find the magnitude of the total electric field at(4r 0). у r (0 0) х 9 2r

A spherical cavity of radius r is made in a conducting sphere of radius 2 r.A charge q is kept at the centre of cavity as shown in the figure.Find the magnitude of the total electric field at (4r 0) .

A hollow conducting sphere of inner radius r and outer radius 2R is given charge Q as shown in figure, then the

A hemispherical cavity of radius R is created in a solid sphere of radius 2R as shown in the figure . Then y -coordinate of the centre of mass of the remaining sphere is

A hemispherical cavity of radius R is created in a solid sphere of radius 2R as shown in the figure . They y -coordinate of the centre of mass of the remaining sphere is

A hemi-spherical cavity is created in solid sphere (of radius 2R ) as shown in the figure. Then

A hemi-spherical cavity is created in solid sphere (of radius 2R ) as shown in the figure. Then

A positively charge sphere of radius r_0 carries a volume charge density rho . A spherical cavity of radius r_0//2 is then scooped out and left empty. C_1 is the center of the sphere and C_2 that of the cavity. What is the direction and magnitude of the electric field at point B?

A positively charge sphere of radius r_0 carries a volume charge density rho . A spherical cavity of radius r_0//2 is then scooped out and left empty. C_1 is the center of the sphere and C_2 that of the cavity. What is the direction and magnitude of the electric field at point B?