e previous| 6of 7next Item 6 Part A A spherical capacitor is formed from two con
ID: 1787956 • Letter: E
Question
e previous| 6of 7next Item 6 Part A A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum The inner sphere has a radius of ra12.2 cm and the outer sphere has a radius of rh-14.9 am What is the capacitance of the capacitor? Use -8.85x10-12 F/m for the permittivity of free space A potential difference of 120 V is applied to the capacitor Hints C 749 10-11 F Submit MY Answers Give Up Correct Part B what is the magntude El ofthe electre Seld Eat radus r-126.justos de te mer sphere? Hints E 5090 V/m My Answers Give Up Correct 1002p DEExplanation / Answer
C] charge on inner sphere = CV = 7.49e-11*120 = 8.988e-9 coulombs
Electric field E = kq/r^2 = 9e9*8.988e-9/0.145^2
= 3847.4 V/m answer
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