A metal ball of charge +Q is lowered into an insulated, uncharged metal shell and allowed to rest on the bottom of the shell. When the charges reach equilibrium,
A) the outside of the shell has a charge of -Q and the ball has a charge of +Q.
B) the outside of the shell has a charge of +Q and the ball has a charge of +Q.
C) the outside of the shell has a charge of zero and the ball has a charge of +Q.
D) the outside of the shell has a charge of +Q and the ball has zero charge.
E) the ouside of the shell has a charge of +Q and the ball has a charge of -Q.
Correct Answer:
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