Chapter 23, Problem 14 Flux and nonconducting shells. A charged particle is susp

Question

Chapter 23, Problem 14 Flux and nonconducting shells. A charged particle is suspended at the center of two concentric spherical shells that are very thin and made of nonconducting material. Figure (a) shows a cross section. Figure (b) gives the net flux through a Gaussian sphere centered on the particle, as a function of the radius r of the sphere. The scale of the vertical set by os 35.0 x 105 N.m2/c. (a) what is the charge of the central particle? Give our answers in uc. What are the net charges of (b) shell A and (c) shell B? (by Units WC (a) Number Units (b) Number Units VC (c) Number Question Attempts: o of 10 used SAVE FOR LATER SUBMIT ANSWER

Explanation / Answer

A) charge at the centre of conducting shell is always zero because at the centre r=0

B) as we know that flux= integration of E.ds

Integration of E.ds =Q/€

So, flux =Q/€

Q=flux*€ = 35*10^5*8.85*10^-12 =30.975*10^-6C = 30.975 micro C

Q is charge on shell A

C) change is same on shell A and shell B

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