Solve the all given parts of following question:

Question: The electric potential immediately outside a charged conducting sphere is 240 V, and 10.0 cm farther from the center of the sphere the potential is 110 V.

Part I: Determine the radius of the sphere.

______ cm

Part II: Determine the charge on the sphere.

_____ nC

The electric potential immediately outside another charged conducting sphere is 270 V, and 10.0 cm farther from the center the magnitude of the electric field is 350 V/m.

Part III: Determine all possible values for the radius of the sphere. (Enter your answers from smallest to largest. If only one value exists, enter "NONE" in the second answer blank.)

r1 =________ cm;

r2 = _________cm

Part IV: Determine the charge on the sphere for each value of r. (If only one value exists, enter "NONE" in the second answer blank.) q1

= ________nC;

q2 =____________ nC

Please show all intermediate steps and formulas for above question.