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Edit View History Bookmarks Peopl Window Help Hw3: Electric Potential x C D www.webassign.net/web/Student/Assignment-Responses/submit?dep 15675517 This answer has not been graded yet. Need Help? Read It My Notes o Ask Your Teach 8. O -12 points SerPSET9 25.PO41 The electric potential inside a charged spherical conductor of radius R is given by v keQ/R, and the potential outside is given by v keg/r. using E -dv/dr, derive the electric field inside and outside this charge distribution. (use the following as necessary: ke, Q, r and R.) (a) inside (b) outside Need Help? Read Submit Answer Save Progress Ask Your Teac My Notes 9. l+ -1 points SerPSET9 25 PO44 rod charge o A uniformly charged insulating rod of length 20.0 cm is bent into the shape of a semicircle as shown in the figure below. The has a total a RESOURCES

Explanation / Answer

Given the potential inside the sphere is V=keQ/R --->(1)

For the potential outside the sphere is V=keQ/r -----> (2)

Ke and Q are constants therefore E=-keQ substitute in equation (1) then

E=-V/R

a)inside

R is constant and r is variable E=dv/dr where

v is constant inside the conductor

therefore E=0

b)for outside

E=keQ/r2

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