Motion of charged particle and Velocity selector and Mass spectrometer (id: 07be

本题目来源于试卷: Motion of charged particle and Velocity selector and Mass spectrometer，类别为 美国物理杯赛(Physics Bowl)

[单选题]
15.29: An electron moves at constant non-zero vifj n6l n sz4mz4(18mb /dtqm)elocity direct.9zn (r x hwxsk*jgg 6mbl;+5oly between two long straight wires. The conventional current in each wire has the same magnitude, but the currents are in opposite directions as shown in the figure. Ignoring gravity, which choice best refles wh o5jrglg;z(* xxknm6+9b.cts the direction of the magnetic field and the direction of the electric field that exist at the location of the electron? Any electric field in the region originates from an unseen external source.

A. Electric Field is No Field Magnetic Field is No Field
B. Electric Field isTo the left Magnetic Field is Into the plane of the page
C. Electric Field is To the right Magnetic Field is Into the plane of the page
D. Electric Field is To the left Magnetic Field is Out of the plane of the page
E. Electric Field is To the right Magnetic Field is Out of the plane of the page


参考答案:  E


本题详细解析: 暂无

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