Question a point charge q 490 x 10-6 c is at the center of, Ask an Expert

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Question: A point charge Q = 4.90 x 10^-6 C is at the center of a conducting spherical shell of radius R = 29.30 cm. The total charge of the shell is -4.90 x 10^-6 C.

Part A: What is the field in the region between the point charge and the shell?

I don't know how to get that answer for the above question. Please help! Thanks.

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