A metal sphere of radius 13 cm has a net charge of 2.8 × 10–8 C. (a) What is the electric field at the sphere's surface? (b) If V = 0 at infinity, what is the electric potential at the sphere's surface? (c) At what distance from the sphere's surface has the electric potential decreased by 610 V?
| (a) | Number | Enter your answer for part (a) in accordance to the question statement | Units Choose the answer for part (a) from the menu in accordance to the question statement WVmV/mCAC mJNo units |
| (b) | Number | Enter your answer for part (b) in accordance to the question statement | Units Choose the answer for part (b) from the menu in accordance to the question statement C mWJmCVAV/mNo units |
| (c) | Number | Enter your answer for part (c) in accordance to the question statement | Units Choose the answer for part (c) from the menu in accordance to the question statement CWNo unitsAcmV/mJC mV |