某单相桥式整流电路,交流输入电压为220V时,试计算整流输出电压值?
参考答案:
根据单相桥整流电路特性可知:V=0.9u2
V=0.9×220=198V
整流输出电压值198V
We should always bear in mind _________ many accidents ________ from drink-driving. [ ]
A. which; raise
B. that; arise
C. which; arouse
D. that; rise
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