Unformatted text preview: (b) At r = R /2, the magnitude of the field is E = Q /8 4 πε o ( R /2) 2 = Q 8 πε o R 2 and is equivalent to half the field at the surface. Thus, the ratio is 0.500....
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This note was uploaded on 01/25/2011 for the course PHYSICS 17029 taught by Professor Rebello,nobels during the Spring '10 term at Kansas State University.
- Spring '10