A -1.11 nC point charge is located inside a cavity of a hollow sphere of conducting material with charge 6.72 nC and of radius 10.0 cm.  Calculate the electric field 0.473 m from the point charge in units of N/C.  Assume answers are in the radial direciton such that if the field points radially away your answer will be positive and if the field points radially in your answer will be negative.  Give your numerical result to 3 significant figures and type in the units after your numerical answer.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.