i) A metallic sphere A of radius 1.00 cm is several centimeters away from a meta

Question

i) A metallic sphere A of radius 1.00 cm is several centimeters away from a metallic spherical shell B of radius 2.00 cm. Charge 450 nC is placed on A, with no charge on B or anywhere nearby. Next, the two objects are joined by a long, thin, metallic wire (as shown in the figure below), and finally the wire is removed. How is the charge shared between A and B?
0 on A, 450 nC on B
90.0 nC on A and 360 nC on B, with equal surface charge densities
150 nC on A and 300 nC on B
225 nC on A and 225 nC on B
450 nC on A and 0 on B

Explanation / Answer

Ans: (c) 150 nC on A, 300 nC on B.

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