Practice%20Final-preview

Practice%20Final-preview - Version 001 – Practice Final...

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Unformatted text preview: Version 001 – Practice Final – shih – (56310) 1 This print-out should have 26 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. Hewitt CP9 22 E22 001 10.0 points Two equal charges exert equal forces on each other. What if one charge has twice the magnitude of the other? 1. The smaller charge will exert a force four times as strong. 2. The forces will be equal. 3. The bigger charge will exert a force four times as strong. 4. The smaller charge will exert a force twice as strong. 5. The bigger charge will exert a force twice as strong. Positive Charge Distribution 002 10.0 points A solid conducting sphere is given a positive charge Q . How is the charge Q distributed in or on the sphere? 1. It is uniformly distributed on the surface of the sphere only. 2. It is concentrated at the center of the sphere. 3. Its density decreases radially outward from the center. 4. It is uniformly distributed throughout the sphere. 5. Its density increases radially outward from the center. One Joule of Work 003 10.0 points One joule of work is needed to move one coulomb of charge from one point to another with no change in velocity. Which of the following is true between the two points? 1. The potential is one newton per meter. 2. The potential difference is one volt . 3. The electric field strength is one newton per coulomb . 4. The electric field strength is one joule per electron. 5. The current is one ampere . AP B 1998 MC 64 004 10.0 points Two parallel conducting plates separated by a distance d are connected to a battery of voltage E . Which of the following is correct if the plate separation is doubled while the battery re- mains connected? 1. The capacitance is unchanged. 2. The potential difference between the plates is doubled. 3. The electric charge on the plates is dou- bled. 4. The potential difference between the plates is halved. 5. The electric charge on the plates is halved. Serway CP 16 42 005 10.0 points Four capacitors are connected as shown in the figure. Version 001 – Practice Final – shih – (56310) 2 2 . 4 μ F 4 . 6 μ F 7 . 1 μ F 7 . 7 μ F a b Find the equivalent capacitance between points a and b ....
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Practice%20Final-preview - Version 001 – Practice Final...

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