Positive charge Q is placed on a conducting spherical shell with inner radius R1 and outer radius R2. A point charge q is placed at the center of the cavity. The magnitude of the electric field at a point outside the shell, a distance r from the center, is:
A) 
B) 
C) q/4 0r2
D) (q + Q) /4 0r2
E)
Correct Answer:
Verified
Q19: Choose the INCORRECT statement:
A)Gauss' law can be
Q20: Consider Gauss law: Q21: Positive charge Q is distributed uniformly Q22: A particle with charge +Q is placed Q22: Charge is distributed uniformly on the surface Q25: Positive charge Q is placed on Q26: Two large parallel plates carry positive charge Q26: A spherical conducting shell has charge Q.A Q27: A solid insulating sphere of radius R Q29: Charge Q is distributed uniformly throughout![]()
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