均匀带电同心球面,电荷面密度均为σ,半径R1=a,R2=2a,σ、a为已知量.计算(1)两球面各自的电量; \x05(2)用高斯定理计算两球面之间场强 \x05(3)两球面间电势差.
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![均匀带电同心球面,电荷面密度均为σ,半径R1=a,R2=2a,σ、a为已知量.计算(1)两球面各自的电量; \x05(2)用高斯定理计算两球面之间场强 \x05(3)两球面间电势差.](/uploads/image/z/1481191-7-1.jpg?t=%E5%9D%87%E5%8C%80%E5%B8%A6%E7%94%B5%E5%90%8C%E5%BF%83%E7%90%83%E9%9D%A2%2C%E7%94%B5%E8%8D%B7%E9%9D%A2%E5%AF%86%E5%BA%A6%E5%9D%87%E4%B8%BA%CF%83%2C%E5%8D%8A%E5%BE%84R1%3Da%2CR2%3D2a%2C%CF%83%E3%80%81a%E4%B8%BA%E5%B7%B2%E7%9F%A5%E9%87%8F.%E8%AE%A1%E7%AE%97%EF%BC%881%EF%BC%89%E4%B8%A4%E7%90%83%E9%9D%A2%E5%90%84%E8%87%AA%E7%9A%84%E7%94%B5%E9%87%8F%EF%BC%9B+%5Cx05%EF%BC%882%EF%BC%89%E7%94%A8%E9%AB%98%E6%96%AF%E5%AE%9A%E7%90%86%E8%AE%A1%E7%AE%97%E4%B8%A4%E7%90%83%E9%9D%A2%E4%B9%8B%E9%97%B4%E5%9C%BA%E5%BC%BA+%5Cx05%EF%BC%883%EF%BC%89%E4%B8%A4%E7%90%83%E9%9D%A2%E9%97%B4%E7%94%B5%E5%8A%BF%E5%B7%AE.)
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