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Introductory Physics Homework Help
Electric field generated by solenoid
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[QUOTE="quarkyphysicsgirl, post: 6867805, member: 734502"] [B]Homework Statement:[/B] "A long solenoid has a radius of 2.08 cm and 1070 turns per meter. Over a certain time interval the current varies with time according to the expression I = 2.80t, where I is in amperes and t is in seconds. Calculate the electric field 4.54 cm from the axis of the solenoid." [B]Relevant Equations:[/B] E=(1/2r)(alpha)R^2(muo)Ioe^-(alpha)t. The formula we are given is E=(1/2r)(alpha)R^2(muo)Ioe^-(alpha)t. However, I am struggling to figure out what each of the symbols stands for in the formula...can someone help me out? Like super confused on what alpha is in this case. [/QUOTE]
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Electric field generated by solenoid
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