Electromagnetic Induction and Faraday’s Law and Lenz Law (id: 519bc8e44)

本题目来源于试卷: Electromagnetic Induction and Faraday’s Law and Lenz Law，类别为 美国物理杯赛(Physics Bowl)

[单选题]
12.38: A square, conduc8; ig5qlkrjoj t8*e,fting wire loop 1ec5oa19yaw b:jea.p f *,3pc caof3:qfdz1 lsits in a plane perpendicular to a spatially uniform magnetic field pointing into the plane of the page as shown. The magnetic field strength steadily increases with time. Whic y11poef3:q*3f 9bpj, faclz 51w:adcaea. oc h one of the following effects best describes the result of this field increase?

A. The entire loop moves up the plane of the page.
B. The loop rotates with the top edge of the loop initially moving out of the plane of the page and the bottom edge moving into the plane of the page
C. The loop rotates with the top edge of the loop initially moving into the plane of the page and the bottom edge moving out of the plane of the page.
D. The legs of the loop attempt to increase the area enclosed by the loop.
E. The legs of the loop attempt to decrease the area enclosed by the loop


参考答案:  E


本题详细解析: 暂无

微信扫一扫，分享更方便