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Unformatted text preview: 77777 77777 Instructor: P. Kumar PHYSICS DEPARTMENT PHY 2049 Final Exam August 3, 2009 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5-DIGIT NUMBER AT THE TOP OF EACH PAGE. DIRECTIONS (1) Code your test number on your answer sheet (use 7680 for the 5-digit number) . Code your name on your answer sheet. Darken circles completely (errors can occur if too light) . Code your student number on your answer sheet. (2) Blacken the circle of your intended answer completely, using a number 2 pencil . Do not make any stray marks or the answer sheet may not read properly. (3) The answers are rounded off. Choose the closest to exact. There is no penalty for guessing. Table of constants k = 1 4 = 9 10 9 e = 1 . 6 10- 19 C m e = 9 . 11 10- 31 kg c = 3 10 8 m/s 1. A hollow conductor is positively charged. A small uncharged metal ball is lowered by a silk thread through a small opening in the top of the conductor and allowed to touch its inner surface. After the ball is removed, the hollow conductor will have: (1) no change in its charge....
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- Summer '08