A point charge sits at a distance from the centre of a conducting sphere of radius
PHYSICS · Subjective · Fermi University Physics · Electricity, Magnetism & Electromagnetism · Conductors, capacitance and boundary-value electrostatics · Conductors, capacitance and boundary-value electrostatics
The Boundary-Value Problem, Ch Uniqueness, images and the Green function of a region
Problem
A point charge q=2.5nC sits at a distance b=20cm from the centre of a conducting sphere of radius a=8.0cm. The sphere is isolated (not earthed) and carries zero net charge. Find the net force on the charge, stating whether it is attractive or repulsive.