What is the charge on the bead
A 2.1mm -diameter glass bead is positively charged. The potential difference between a point 2.5mm from the bead and a point 4.5mm from the bead is 500 V. What is the charge on the bead?
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A planar slab of thickness of 5.00 cm has a uniform volume charge density of 5.20×10^-2 C/ m^3. Find the magnitude of the electric field at all points in space both inside and outside the slab, in terms of x, the distance measured from the c
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