Find what is the total charge of this sphere

Reference no: EM13528569

A hollow non-conductiong sphere has a uniform charge density ?. The inner and outer radius of the sphere are r1 and r2m respectively .

What is the total charge of this sphere?

What is the electric field at a point r < r1?

What is the electric field at a point r1 < r < r2?

What is the electric field at a point r > r2?

Reference no: EM13528569

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