A Solid sphare of radius R has a charge Q distributed in its Volu… - Vidyadip

MCQ

A Solid sphare of radius R has a charge Q distributed in its Volume with a charge density P = Kr^a Where K and a are constants and r is the distance from its centre from its centre. if the electric filed at $\text{r}=\frac{\text{R}}{2}$ is $\frac{1}{8}$ times that at r = R, the value of a is.

A
3
B
5
C
2
D
7

✓

Answer

2

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