Fields D.2 Electromagnetic Fields & Potential (id: 73ad3dfef)

本题目来源于试卷: Fields D.2 Electromagnetic Fields & Potential，类别为 IB物理学

[单选题]
A beam of electrons ent 8 p6+vft4bij*m pd-xy sf1o-ceryb*noi 6yy5l) y r1o 9l99dowrs a uniform electric field, as shown.



What effect does this field have on the horizontal and vertical components of the electrons' velocity?

A. Horizontal velocity is Increases ; Vertical velocity is Stays the same
B. Horizontal velocity is Decreases ; Vertical velocity is Stays the same
C. Horizontal velocity is Stays the same ; Vertical velocity is Increases
D. Horizontal velocity is Stays the same ; Vertical velocity is Decreases


参考答案:  C


本题详细解析:

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