Test1 - zzIyer, Savi V Section 99 Physics 125, Analytical...

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Unformatted text preview: zzIyer, Savi V Section 99 Physics 125, Analytical Physics II Exam 1 Date Thr, Feb 21, 2008 at 21:00 1. [3pt] Two point charges, A and B, lie along a line sepa- rated by a distance L. The point x is at the midpoint of their separation. A B Which combination of charges would yield the greatest re- pulsive force between the charges? A)- 1 q and- 4 q B) +1 q and- 3 q C)- 2 q and +4 q D)- 2 q and- 4 q E) +1 q and +7 q 2. [3pt] Which combination of charges will yield zero electric field at point x? A) +2 q and- 3 q B) +1 q and- 1 q C)- 1 q and +4 q D) +1 q and- 4 q E) +4 q and +4 q 3. [6pt] For a charged hollow metal sphere with total charge Q and radius R centered on the origin, which of the following statements is true? (Circle T for True and F for False. If the second is T and the rest F, write FTFFFF). A) The E-field on the outside is to the surface. B) The field inside the shell is zero. C) The charge is on the inside surface. D) Inside the metal the field is strongest. E) The field for r > R will be the same as the field of a point charge Q at the origin F) Only + charges can be on the outside surface. 4. [4pt] A spherical metal conductor with charge Q = 6 . 90 C is placed a distance r = 0 . 40 m from an identi- cal second conductor with a different charge q = 12 . 90 C. The two conductors are brought into contact with one an- other, and then separated. What is the electric charge (in C) on either sphere after they have come into contact?...
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Test1 - zzIyer, Savi V Section 99 Physics 125, Analytical...

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