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[ Let p(r)=(Q)/(pi R^(4))r be the charge...

[ Let p(r)=(Q)/(pi R^(4))r be the charge density distribution for a solid sphere of radius R and total charge Q.For a point 'P' inside the sphere at distance r_(1) from the centre of the sphere,the magnitude of electric field is [ (A) 0, (B) (Q)/(4 pi epsilon_(0)r_(1)^(2)) (C) (Qr_(1)^(2))/(4 pi epsilon_(0)R^(4)), (D) (Qr_(1)^(2))/(3 pi epsilon_(0)R^(4))]]

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