An electricity and magnetism problem by ahmed essam
Electricity and Magnetism
Level
pending
A spherical conductor of Radius R is charged to 20KV. When it is connected by a long, fine wire to a second conducting sphere far away, its potential drops to 12KV. What is the radius of the second sphere r
r=3/2R
Cannot be solved
r= 2/3R
r=8/3R
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