PHY5 - Howard(clh2528 – homework#5 – shubeita –(57885...

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Unformatted text preview: Howard (clh2528) – homework #5 – shubeita – (57885) 1 This print-out should have 7 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 3) 10.0 points Two point-charges at fixed locations pro- duce an electric field as shown below. A B X Y A negative charge placed at point X would move 1. toward charge A. 2. toward charge B. correct 3. along an equipotential plane. Explanation: The electric field runs from a positive po- tential to a negative potential, so it points from a positive charge to a negative charge. Therefore the charge B is positive. A negative charge will move toward a positive potential, which creates lower potential energy and a higher kinetic energy. 002 (part 2 of 3) 10.0 points The electric field at point X is 1. stronger than the field at point Y . cor- rect 2. weaker than the field at point Y . 3. the same as that the field at point Y . Explanation: The field at X is stronger than the field at Y , since the number of field lines per unit volume at X is greater than the number of...
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This note was uploaded on 03/22/2011 for the course PHY 317L taught by Professor Ritchie/lang during the Spring '08 term at University of Texas.

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PHY5 - Howard(clh2528 – homework#5 – shubeita –(57885...

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