Let P ( r ) = π R 4 Q 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

Question

Let P ( r ) = π R 4 Q ​ 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

TestHub · Accepted Answer

E 4 π r 1 2 ​ = ε 0 ​ ∫ 0 r 1 ​ ​ π R 4 Q ​ r 4 π r 2 d r ​ ⇒ E = 4 π ε 0 ​ R 4 Q r 1 2 ​ ​ .

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