A 1.8 cm -radius metal sphere carries 85 nC and is surrounded by a concentric spherical conducting shell of radius 17 Cm carrying -85 nC Part A Find the magnitude of the potential difference between the shell and the sphere. Express your answer using two significant figures. |AV = kV Submit Request Answer Part B How would your answer change if the shell charge were changed to +170 nC ? Enter the new magnitude for the potential difference. Express your answer using two significant figures.

A 1.8 cm -radius metal sphere carries 85 nC and is surrounded by a concentric spherical conducting shell of radius 17 Cm carrying -85 nC Part A Find the magnitude of the potential difference between the shell and the sphere. Express your answer using two significant figures. |AV = kV Submit Request Answer Part B How would your answer change if the shell charge were changed to +170 nC ? Enter the new magnitude for the potential difference. Express your answer using two significant figures.