A solid nonconducting sphere of radius R = 5.56 cm has a nonuniform charge distr

Question

A solid nonconducting sphere of radius R = 5.56 cm has a nonuniform charge distribution of volume charge density ? = (14.2 pC/m3)r/R, where r is radial distance from the sphere's center.
(a) What is the sphere's total charge?
______C

(b) What is the magnitude E of the electric field at r = 0? (Use any variable or symbol stated above along with the following as necessary: ?0.)
E = ___________

(c) What is the magnitude E of the electric field at r = R/2.00?
___________N/C

(d) What is the magnitude E of the electric field at r = R?
___________N/C

(e) Sketch a graph of E versus r. (Do this on paper. Your instructor may ask you to turn in this work.)

Explanation / Answer

10223 pC E vs r is linearly increasing

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