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For this sphere the equipoteal surfaces ...

For this sphere the equipoteal surfaces with potentials2and R, respectively. Then[JEE(Main)-2015; 4/120,-1](1) R = 0 and R (R-R)18) R = 0 and R, (R-R)(2) R, = 0 and (R -R) gt (R.-R)(4) 2RltR26.The region between two concentric spheres of radi 'a' and 'b', respectively (see figure), has volume chargedensity p=where A is a constant and r is the distance from the centre. At the centre of the spheres isa point charge Q. The value of A such that the electric field in the region between the spheres will beconstant, is :[JEE(Main) 2016,(4,-1),120)2QQ2n(b2 - a?)2Q(2)rela² - 6²)(3)Q2na?ma

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