Figure shows a solid hemisphere with a charge of 5 nC distributed uniformly through its volume. The hemisphere lies on a plane and point P is located on the plane, along a radial line from the centre of curvature at distance 15 cm. The electric potential at point P due to the hemisphere is: A. 150 VB. 300 VC. 450 VD. 600 V

Figure shows a solid hemisphere with a charge of 5 nC distributed unif

1.	Figure shows a solid hemisphere with a charge of 5 nC distributed uniformly through its volume. The hemisphere lies on a plane and point P is located on the plane, along a radial line from the centre of curvature at distance 15 cm. The electric potential at point P due to the hemisphere is: A. 150 VB. 300 VC. 450 VD. 600 V
Answer» Correct Answer - B By symmetry (it will be half of the potential produces by the full sphere) `rArr 1/2.(K(2Q))/R=(KQ)/RrArr V=(KQ)/R =(9xx10^(9)xx5xx10^(-9))/(15xx10^(-2)) =300V`

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