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A sphere of radius `R` has a variable charge density `rho(r)=rho_(0)r^(n-1)(rleR)`. If ratio of "potential at centre" and "potential at surface" be `3//2` then find the value of `n` |
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Answer» Correct Answer - 1 Method 1: If `rho(r)=rho_(0)(="constant")` then we know that required `(3/2(KQ)/R)/((KQ)/R)=3/2` Hence `n=1` Method 2: You may use integration method also to solve this problem. |
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