e Mastering Physics: Ch 22 Hw - Goog gle Chrome A Secure I https:// session.mast

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e Mastering Physics: Ch 22 Hw - Goog gle Chrome A Secure I https:// session.masteringphysics.com/myct/itemView?assignmentProblemID=80843508&offset;=prev Ch 22 HIW) tem 14 Resources previous 14 of 16 I next » Item 14 Part A How much charge is on the inner surface of the conductor? A conductor with an inner cavity, like that shown in Fig.22.23c from the textbook, carries a total charge of +4.90 nC. The charge within the cavity, insulated from the conductor, is -7.40 nC. How much charge is on DIVO Ao h r o e ? You may want to review (D pages 738 - 742 ) inner nC For related problem-solving tips and strategies, you may want to view a video Tutor Solution of A conductor with a Cavity submit My Answers Give Up Incorrect; Try Again Part B How much charge is on the outer surface of the conductor? O AEG h r ? o . roster nC up Submit My Answers Give Up Continue Biosite Events 3:14 PM Type here to search OLD 9 a 9/10/2017 as

Explanation / Answer

(A) Field inside the conductor is zero.

so from Gauss law,

Qin = (Q_c) + (Q_inner) = 0

Qinner = - (-7.40 nC) = 7.40 nC

(B) total charge on conductor = Qinner + Qouter

4.90 = 7.40 + Qputer

Qouter = - 2.4 nC

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