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试题一、选择题:本大题共13小题;每小题2分,共26分。在每小题给出的四个选项中,只有一项是正确的。把正确选项前的字母填在题后方括号内。(1)第一个发现电磁感应现象的科学家是〔〕(A)奥斯特 (B)库仑(C)法拉第 (D)安培(2)一物体在某行星表面受到的万有引力是它在地球表面受到的万有引力的1/4.在地球上走得很准的摆钟搬到此行星上,此钟的分针走一整圈所经历的时间
Test question 1, multiple-choice questions: The title of a total of 13 small questions; each question 2 points, a total of 26 points. Of the four options given in each question, only one is correct. Put the letter before the correct option in the brackets after the question. (1) The first scientist to discover the phenomenon of electromagnetic induction is [] (A) Oster (B) Coulomb (C) Faraday (D) Ampere (2) The universal gravitational attraction of an object on the surface of a planet is that it is on the earth’s surface. One quarter of the gravitational attraction. The pendulum clock on the planet moves to this planet. The time it takes to complete the minute hand