28. As we approach r= 3.5 cm from the inside, we have internal021000 N/C4Erλπε==. And as we approach r= 3.5 cm from the outside, we have external00223000 N/C44Err′=+=−. Considering the difference (Eexternal
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This note was uploaded on 09/07/2010 for the course PHYS 221 taught by Professor Hk during the Fall '10 term at The Petroleum Institute.