本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law,类别为 通用国际物理
[单选题]
The windings of a DC motor have a resistance of 6.00 Wf 9j yd2cffk37o-xf h8. The motor ope6/v e3wr yf 8(/fzyko(5tqigs rates on 120 V AC, and when rus/q65wt/fveg8 3 (zifky(yornning at full speed it generates a back $emf$ of 105 V. What current does the motor draw when operating at full speed?
A. $2.50 \; A$
B. $17.5 \; A$
C. $20.0 \; A$
D. $37.5 \; A$
参考答案: A
本题详细解析:
暂无
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