本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law，类别为 国际高中通用物理
[单选题]
A square coil of wire with 17)aexku/v2g eht /a za(k+ip)5 kj er4ozhvs/f 1/:1j) 7orfegturns and an area of $0.40 \; m^{2}$ is placed parallel to a magnetic field of 0.75 T. The coil is flipped so its plane is perpendicular to the magnetic field in 0.050 s. What is the magnitude of the average induced $emf$?
A. $6.0 \; V$
B. $36 \; V$
C. $45 \; V$
D. $90 \; V$
参考答案: D
本题详细解析:
暂无
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