QuizWk4Soln

QuizWk4Soln - Name _ Section _ Physics 208, Spring 08, Week...

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Name ____________________________________ Section ___________ Physics 208, Spring 08, Week 4 Quiz Feb. 14, 2008 1. Two uniformly-charge spheres are firmly fastened to, and electrically insulated from, frictionless pucks on an air table. The charge on sphere 2 is three times the charge on sphere 1. Which choice below correctly shows the magnitude and direction of the forces? 3. A material that permits electric charge to move through it is called a(n) a. insulator b. conductor c. inductor d. perceptor 3. Below are three particles, two +1 µ C and one -1 µ C, all 1 mm from the origin. Mark with an X a location that a particle with adjustable positive charge could be placed so that the electric field at the origin could be made zero. The electric field at the origin due to the two positive charges is zero. The electric field at the origin due to the negative charge is directed upwards. So any position along the positive y-axis would let a positive charge cancel this electric field. x
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This note was uploaded on 04/29/2008 for the course PHYS 208 taught by Professor Rzchowski during the Spring '08 term at Wisconsin.

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QuizWk4Soln - Name _ Section _ Physics 208, Spring 08, Week...

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