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(chatquestion)...A very long solenoid is made out of a wire with n turns per unit length. The radius of the cylinder is a and is negligible compared to its length 1. The interior of the cylinder is filled with materials such that the linear magnetic permeability varies with the distance r from axis according to = constant ; for 0 <r <b µ(r) = [l2 = constant ; for b <r <a] The self inductance of the solenoid is (A) zn²l[µb² + µra²] (B) Tn²1[µ1+ µz]a² (C) tn²l[µb² + µ2(a² – b?)] (D) în²l[µb² + (µi+ µ2) a²]...(Please answer this question
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telegram-2936
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Jun 26, 2020
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