problem22_47

University Physics with Modern Physics with Mastering Physics (11th Edition)

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22.47: a) (i) , E πrl E a r r πε α ε αl ε q 0 0 0 2 ) 2 ( , = = = < radially outward. (ii) , b r a < < there is not net charge enclosed, so the electric field is zero. (iii) , b r there is no net charge enclosed, so the electric field is zero.
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