gc textbook chapter 18 Electric Currents (id: 7b3504cde)

本题目来源于试卷: gc textbook chapter 18 Electric Currents，类别为 IB物理学

[填空题]
A heater coil connected uu4 0oqj.;jpd:x; sodto awasi *,2,pphb,7m v es $240-V_{rms}$ ac line has a resistance of $34\Omega$.
(a) What is the average power used?    W
(b) What are the maximum and minimum values of the instantaneous power?
$P_{max}$    W
$P_{min}$    W

参考答案:
空格1: 1694±2%  空格2: 3388±2%  空格3: 0±2% 


本题详细解析:

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