Test1bsolutions - PHY 2049, Fall 2009 Test 1 Name and PID:...

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PHY 2049, Fall 2009 Test 1 Name and PID:……………………………………………………………………… Please PRINT your name To get full credit you MUST show your work. Use the space provided including the reverse side of each sheet. Write your names on any additional sheets used. Possibly useful information (formula sheet) is provided. Section A (each 2 points) are short descriptive questions. Please read statements for each question and circle the correct statement (answer). Section B requires calculations/derivations. Please be as clear as possible explaining the notations, symbols etc. Section A 1. Inside a solid copper sphere, the electric field is zero. From this we can conclude that the electric potential in this region is (a) zero (b) negative (c) constant (d) positive Answer: (c). If the electric field is zero, there is no change in the electric potential and it must be constant. This constant value could be zero but does not have to be zero. 2. A conducting spherical shell (below) is concentric with a solid conducting sphere. Initially, each conductor carries zero net charge. A charge of +2
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This note was uploaded on 11/01/2009 for the course PHY phy2049 taught by Professor Wilfredngwa during the Fall '09 term at University of Central Florida.

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Test1bsolutions - PHY 2049, Fall 2009 Test 1 Name and PID:...

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