Electric Potential and Charging by Induction
Two identical, initially uncharged conducting spheres, A and B, are placed in a uniform electric field. Sphere A is momentarily grounded, and then the ground connection is removed. Sphere B is not grounded. Subsequently, both spheres are removed from the field. Which of the following correctly compares their final electric potentials?
A
Both spheres have zero potential
B
Sphere A has non-zero potential; Sphere B has zero potential
C
Both spheres have equal non-zero potentials
D
Sphere A has zero potential; Sphere B has non-zero potential
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