4 two conducting spheres one having three times the

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Unformatted text preview: o conducting spheres, one having three times the diameter of the other (labelled 1 and 3), are separated by a distance that is very large compared to their diameters. Initially, the smaller sphere (1) is uncharged and the larger sphere (3) has charge Q. How much charge must we remove from sphere (3) and add to sphere (1) in order to guarantee that both spheres have the same potential at their surface (relative to a potential of zero an infinite distance away)? 3 A) B) C) D) E) 1 Q/9 Q Q/16 Q/2 Q/4 Version 1 Page 3 5. What is the y-component of the electric field at point P a distance R out on the perpendicular from one end of a uniformly negatively charged rod of length L and charge -Q? P R ------------------------L x A) kQ Rdx x2 R2 L0 B) kQ xdx x2 R2 L0 C) kQ Rdx ( x 2 R 2 )3/ 2 L0 D) kQ dx x2 R2 L0 E) kQ Rdx ( x 2 R 2 )3/ 2 L0 L L L L L 6. 8 C of charge are placed on a spherical conducting shell. A particle with a charge of –11 C is placed in the cavity. The net charge in Coulombs on the outer s...
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