A hemispherical surface (half of a spherical surface) of radius R is located in a uniform electric field of magnitude E that is parallel to the axis of the hemisphere. What is the magnitude of the electric flux through the hemisphere surface?
A. ?R2E
B. 4?R2E/3
C. 2?R2E/3
D. ?R2E/2
E. ?R2E/3
Answer: A
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