C17Worksheet(2) - Worksheet: Chapters 17 A solid metal...

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Worksheet: Chapters 17 A solid metal sphere of radius R 1 = 50 cm has a charge of +2.0 μ C. 1) What is the strength of the electric field at the center of the sphere? E = 0 2) What is the maximum strength of the electric field caused by the sphere? Where is it found? E =7.19 x 10 4 N/C at r = R 1 = 50 cm 3) What force would act on an excess electron ( q = -1.60 x 10 -19 C) on the surface of the sphere? 1.15 x 10 -14 N [toward center of sphere] 4) What is the strength of the electric field at a point 60 cm from the center of the sphere? 4.99 x 10 4 N/C 5) What force would act on an alpha particle ( q = +3.20 x 10 -19 C) located 60 cm from the center of the sphere? 1.60 x 10 -14 N [away from center of sphere] A point charge + q is located at x = 1.0 m. A second point charge –3 q is located at x = -1.0 m. 6) Determine the electric field strength for x < -1 in terms of q , x , and fundamental constants. ( 29 ( 29 2 2 3 1 1 kq kq E x x = - - - - 7) Determine the electric field strength for –1 < x < 1 in terms of q , x , and fundamental constants. ( 29 ( 29 2 2 3 1 1 kq kq E x x = - - + - 8) Determine the electric field strength for x > 1 in terms of q , x , and fundamental constants. ( 29
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This note was uploaded on 08/29/2010 for the course PHYS 38234 taught by Professor Ramesh during the Spring '09 term at University of California, Berkeley.

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C17Worksheet(2) - Worksheet: Chapters 17 A solid metal...

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