The figure below shows, in cross section, two solid spheres with uniformly distr

Question

The figure below shows, in cross section, two solid spheres with uniformly distributed charge throughout their volumes. Each has radius R. Point P lies on a line connecting the centers of the spheres, at radial distance 0.54R from the center of sphere 1. If the net electric field at point P is zero, what is the ratio q2/q1 of the total charge q2 in sphere 2 to the total charge q1 in sphere 1?
Ans: ________

The figure below shows, in cross section, two solid spheres with uniformly distributed charge throughout their volumes. Each has radius R. Point P lies on a line connecting the centers of the spheres, at radial distance 0.54R from the center of sphere 1. If the net electric field at point P is zero, what is the ratio q2/q1 of the total charge q2 in sphere 2 to the total charge q1 in sphere 1?

Explanation / Answer

K*(0.54)^3q1/(0.54R)^2 = K*q2/(1.46R)^2

q1/q1 = 0.54*1.46^2 = 1.151

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