Magnetism Magnetism (id: 2e06d9b9f)

本题目来源于试卷: Magnetism Magnetism，类别为 IB物理学

[填空题]
A long thin solenoid c;)re g 3a(jlaqzh1yx :np chy731ve4 has 430 loops of wire per meter, and a 25-A curren: rrj/gq1qmkgc+4t6o; w3nuwt flows thr:qmw rg6quo; c3tj1/ rkw4 +ngough the wire. If the permeability of the iron is $3000\mu_0$ what is the total field B inside the solenoid?    T

参考答案: 41±2%


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