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Q4_230p1 - NAME So I 25 6 Physics 132 February 5 2008 2:30...

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Unformatted text preview: NAME So I»: 25 6%. Physics 132 February 5, 2008, 2:30 Section 30 minutes 1) (10 points) A metal sphere of radius 10 cm has a net charge of 5 x 10'8 C. a. (3 pts.) What is the electric field at the surface of the sphere? in flm Mahatma”??? ’W .a—r w» ,, rt ‘ Cm)?» :: 4.5”?ng WM b. (3 pts) If V20 at infinity, what is the potential at the sphere’s surface? , age 0 c. (4 pts.) At what distance from the sphere has the magnitude of the potential decreased by 300 V? ...
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