Electromagnetic Induction and Faraday’s Law (id: ecbd0a802)

本题目来源于试卷: Electromagnetic Induction and Faraday’s Law，类别为 IB物理学

[填空题]
$\mathrm{A~30-k}\Omega$resistor is in series with a 45-mH inductor and an ac source. Calculate the impedance of the circuit if the source frequency is
(a) 50 Hz,    $ \times10^{4 }\;\Omega$
(b) $3.0\times10^4\mathrm{~Hz}.$    $ \times10^{4 }\;\Omega$

参考答案:
空格1: 3.0±2%  空格2: 3.1±2% 


本题详细解析:

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