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## Homework Statement

I have :

Spherical conductor of radius=x;

Spherical conductor has a inner cubic cavity of side = b;

inside the cubic cavity we have a charge = y;

the surface of the sphere has a charge density = z;

I need to calculate the electric field at some point g, where g>r;

## Homework Equations

## The Attempt at a Solution

E=(1/4*pi*eo)*∫ p d(tao)

= (1/4*pi*eo)*∫chargedensity(z) *radius(x)^2 * sin(theta) d(x) d(theta) d (phi)

will that work?