Radius, r = 1.50/2 = 0.75 × 10- 3 m
The potential difference between the two points:
A 1.50 mm-diameter glass bead is positively charged. The potential difference between a point 1.50 mm from the bead and a point 3.60 mm from the bead is 460V.
Note: The given distances are measured from the surface of the bead.
What is the charge on the bead?
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