51问答网 > 很急！！大学物理！半径为R的均匀带电球体，电荷体密度为 ，则离球心为R⼀2处的一点电势是

很急！！大学物理！半径为R的均匀带电球体，电荷体密度为 ，则离球心为R⼀2处的一点电势是

2025-03-28 09:23:50
推荐回答（1个）
回答1：

带电量Q=(4/3)PiR^3*p;

U=U1+U2=0+U2=kQ/R=(4/3)PiR^2*p

具体：

把r换成R/2就可以了。

详细参考这个：

http://wenku.baidu.com/link?url=-gbeYKaqiqS1v_QBBf7c-BXebc3Z2_lKz038ISC7njUYfuncRqVli5Iagl5Omyi30ooT1oQ9C1idAL0P-VOndX5NS_YHCWjX2vG6cpvX6TO

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