28.27.Solve:(a)Since and JEJIA==σ, the electric field isEIAIr=×()×=×−−−−σππ2327113025 1062 10164 100.020 Am m±N/C...Ω(b)Since the current density is related to vdby JI Anevd, the drift speed isvIrned0.020 AmC×××−232283190 25105 8101 6010.−110 10
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This note was uploaded on 03/14/2009 for the course PHY PHYA22 taught by Professor Abbas during the Spring '09 term at University of Toronto.