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Consider an uncharged, conducting hollow spherical shell. The electric field on the inside of the surface of the spherical shell is measured to be directed towards the inner shell wall and varies in magnitude over the shell's inside surface. It is known that the only charge in the hollow cavity inside the spherical shell is a point charge with magniuted q.

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I've already concluded that the sign of point charge q is positive, and that the charge isnotlocated at the center of the spherical shell.

Now the two next questions kind of stump me.

1) What is the net electric flux through the sherical shell?

a)flux = q/(2*Epsilon)

b)flux = 0

c)flux = (2*q)/epsilon

d)flux = q/epsilon

e)flux = 2*q

f)flux = q/2

g)flux = q

According to my physics textbook, "the net flux through any closed surface surrounding a point charge q is given by q/epsilon and is independent of the shape of that surface."

So naturally my first answer was d (flux = q/epsilon)... but my online homework service counted this incorrect.

What am i missing guys?

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The next question i am not really sure how to go about solving.

2)What can you say about the charge distribution on the outside surface of the spherical shell?

a)The charge distribution is negative and is not uniform.

b)The charge distribution is 0.

c)The charge distribution is negative and is uniform.

d)The charge distribution is positive and is not uniform.

e)The charge distribution is positive and is uniform.

Any help would be greatly appreciated.

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# Homework Help: Question concerning flux

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