在静电场中有一立方形均匀导体,边长为a,已知立方体中心O处的电势为5V,则立方体的一个顶点A的电势为 V.
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举一反三
【判断题】The signs of how the New York have fallen can be seen from many New Yorkers wearing T-shirts with a heart design and the words: “ I love New York” printed on it.
【简答题】Now you should have learned some new words from this chapter, can you summarize some of them? Write down the new words you learned in this chapter as many as possible.
【判断题】The signs of how the New York have fallen can be seen from many New Yorkers wearing T-shirts with a heart design and the words: “ I love New York” printed on it.