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]
A generator produces 60 A of curnvl 7t7o py/v,1j) mmtrent at 120 V. The voltage is usually step-nkwkn rc0b7c*8hdv g 2 ,ay4pped up to 4500 V by a transforma84 n *nhp-dc g vr7c,w2kky0ber and transmitted through a power line of total resistance 1.0 W. Find the percentage power lost in the transmission line.
A. 0.012%
B. 0.024%
C. 0.036%
D. 0.048%
参考答案: C
本题详细解析:
暂无
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