Flux and nonconducting shells. A charged particle is suspended at the center of

Question

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 phi through a Gaussian sphere centered on the particle, as a function of the radius r of the sphere. (The vertical axis is marked in increments of 1.0 times 10^6 N middot m^2/C with phi_s = 5.0 times 10^6 N middot m^2/C) (a) What is the charge of the central particle? mu C (b) What is the net charge of shell A? mu C (c) What is the net charge of shell B? mu C

Explanation / Answer

a)=q/0=2*105

q=1.77C

b)=(qA+q)/0=-4*105

qA=-5.31C

c)=(qA+qB+qC)/0=6*105

qB=8.85C

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