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, conducting wire loop a( j8aasx95 wlsits in a plane pe -jr tq8k6lg a4j7a7xnrpendicular to a spatially uniform magn8al7 qjank-r g46 tj7xetic field pointing into the plane of the page as shown. The magnetic field strength steadily increases with time. Which 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

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