# 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 μ C is placed a distance r = 0 . 40 m from an identi- cal second conductor with a different charge q = 12 . 90 μ C. The two conductors are brought into contact with one an- other, and then separated. What is the electric charge (in μ C) on either sphere after they have come into contact?...
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## This note was uploaded on 05/22/2008 for the course PHYS 125 taught by Professor Iyer during the Spring '08 term at SUNY Geneseo.

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

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