The electric field intensity at P and Q in the shown arrangement are in the ratio???

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1 Answer
Jun 22, 2018

This question looks is begging for a solution based on Gauss' Law, but there are too many unknowns. For example, it looks like a hollow something, but is that something a sphere or a cylinder. In addition, what are #q# and #3q#. Presumably charges, but how are they distributed.