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A point charge q = +3 µC is at the center of a sphere of radius...

A point charge q = +3 µC is at the center of a sphere of radius 0.9 m.

(a) Find the surface area of the sphere.
___m2

(b) Find the magnitude of the electric field at points on the surface of the sphere.
___N/C

(c) What is the flux of the electric field due to the point charge through the surface of the sphere?
___ N · m2/C

(e) What is the net flux through a cube of side 2 m that encloses the sphere?
____N · m2/C

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