DC Circuits (id: f21f7f075)

本题目来源于试卷: DC Circuits，类别为 IB物理学

[填空题]
Three $45-\Omega$ lightbulbs and three $75-\Omega$ lightbulbs are connected in series.
(a) What is the total resistance of the circuit?    $\Omega$
(b) What is their resistance if all six are wired in parallel?    $\Omega$

参考答案:
空格1: 360±2%  空格2: 9.4±2% 


本题详细解析:

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