本题目来源于试卷: Physics Unit17: Electric Potential，类别为 通用国际物理
[单选题]
A parallel-plate capacitor has a plate separation of 5.0 cm. Ivsepf1 q7 e ,wjg5n41rf the potentialbmlyo ifz:332c d9b m+ difference between the plates is 2000 V, with the top plate at the higher potential, whfmz: 3idb3olb 9m2y+ cat is the electric field between the plates?
A. 100 N/C upward
B. 100 N/C downward
C. 40000 N/C upward
D. 40000 N/C downward
参考答案: D
本题详细解析:
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