A rectangular coil, with corners labeled ABCD, of length L and width w is placed in a magnetic field B as shown in Figure . If there is a current I flowing through this coil, what is the direction of the force acting on section CD of this coil?
A.
perpendicular to and into the page
B.
perpendicular to and out of the page
C.
in the direction of the magnetic field
D.
in the opposite direction of the magnetic field
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参考答案:
举一反三
【单选题】Tom很嫉妒他哥哥的新玩具车。 Tom was ____ with envy with his brother’s new toy car。