Physics Unit21: Electromagnetic Induction & Faraday's Law (id: 952795a1f)

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 motj/+rb83t hnj) e1l wuzh4p s .1mm5nc7 xp4tllor have a rej ,huua(*oxuqr**uxd26x3 c ksistance of 6.00 W. The motor operates on $120 \; V$ AC, and when running at full speed it generates a back $emf$ of 105 V. What is the starting current of the motor?

A. $2.50 \; A$
B. $17.5 \; A$
C. $20.0 \; A$
D. $37.5 \; A$


参考答案:  C


本题详细解析: 暂无

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