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A copper wire of diameter d is immersed in an oil of density rho not. There is a uniform electric field E directed vertically upwards such that the copper ball remains just suspended in the oil. Density of copper is rho c. The charge on the ball is ?
Positive charge Q is distributed uniformly throughout an insulating sphere of radius R, centered
at the origin. A particle with positive charge Q is placed at x = 2R on the x axis. The
magnitude of the electric field at x = R/2 on the x axis is:
E. none of these
Find force on 1 C charge atOin the figure
Electric flux passing through the plateABCDas shown in figure
In the given figure, the net electric field across the shown surface is dependent on the magnitude of charge(s)
A charge of 20 μC is placed at the centre of an open and cylindrical vessel. The net flux through the cylinder is
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