The radius and surface charge density of a uniformly charged spherical shell are 20 cm and, 0.3 microcoulumb/meter respectively. Calculate the electric potential at a distance (a) 40 cm and, (b) 15 cm from the center of the shell.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.