Two light, conducting spheres, each 6mm diameter and having a mass of 10mg, are suspended
from the same point by fine insulating fibers 50cm long. Due to electrostatic repulsion, the
spheres are in equilibrium when 3cm apart. Calculate
a) the force between them.
b) the charge on each sphere.
c) combined potential at the surface of each sphere.
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a......
. answer h..... ..
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