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 resistanv9yhw:8fu rfy 3j4e .uck.jwtd :4bar 3ku;,ipe of 6.00 W. The motor operates on 120 V AC, and when running at full speed it generates a back:kb4pj; ., u irawdkt3 $emf$ 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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