Electrostatic Equillibrium!
Electricity and Magnetism
Level
3
A wheel has mass \(m\) and charges \(+q\) and \(-q\) on diametrically opposite points. It remains in equilibrium on a sufficiently rough inclined plane in the presence of a uniform electric field directed vertically upwards. Find the magnitude of this electric field.
by
Ťånåy Nårshånå