RLC串联电路中,测得电容元件上的电压为15V ,电感元件上的电压为12V,电阻元件上的电压为4V,则RLC串联电路两端的总电压 为()V,该电路属对外呈现()性。
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已知某无源二端网络的等效复阻抗为Z=10-j10,则该二端网络呈现容性。
A. 对
B. 错
The chairman insisted on his ridiculous ideas and argued so loudly and impolitely against all the other suggestions that many people ________ into silence.
A. retreated
B. recovered
C. reconciled
D. regulated
This problem was observed in some people in their thirties, but it was still not ________ in some sixty-and-seventy-year-olds.
A. compatible
B. diverse
C. significant
D. evident
It’s a shame that I have learned French for 10 years and yet I am unable to ________ more than a few sentences.
A. steer
B. utter
C. spill
D. occur