Question

How do I do this problem?

-l1 points SerPSE9 24.XP.006 A solid plastic sphere of radius 10.0 cm has charge with uniform density through out its volume. The electric field 3 Find the magnitude of the electric field 14.0 cm from the center kN/C radially inward Need Help? Read It it Answer Save Progress D My Notes C+ Ask Your Teacher cm from the center is 25.0 kN/C radially inward

Answer 1

The equation for the electric field for two different position is

$\frac{E_2}{E_1} = \frac{k (Q/r^2)}{k(Qr/a^3)}$

$\frac{E_2}{E_1} = \frac{a^3}{r^3}$

$\frac{E_2}{25 kN/C} = \frac{10^3}{14^3}$