ch33mc_ElectricFieldsPotential

ch33mc_ElectricFieldsPotential - Choose the best answer to...

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Choose the best answer to each question and write the appropriate letter in the space provided. s 1) If you walk into a region of space and suddenly feel a force, the space is said to contain a __________. t A) force field. A B) large charge. B C) heavy object. C D) black hole. D E) charged object. E ________ _ 2) An electric field has __________. 2 A) magnitude. B) direction. C) Both A and B A ________ _ 3) Every proton in the universe is surrounded by its own __________. 3 A) electric field. B) gravitational field. A C) both A and B D) none of the above C ________ _ 4) The direction of electric field lines show the __________. 4 A) direction of the force on a test positive charge. A B) strength of the field. B C) size of the field. C D) all of the above D ________ _
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_ 5) Suppose a hollow metal sphere has a large negative charge on it. The electric field strength inside the sphere is __________. f A) zero. A B) weak and negative. B C) large and negative. C D) large and positive. D E) weak and positive. E ________ _ 6) Suppose you touch a negatively charged object to a metal sphere so that electrons move from the charged object onto the sphere. After far separation of the charged object, electrons on the sphere will be __________. c A) located at the place where the charged object was. A B) pulled off the sphere along with the charged object. B C) distributed evenly over the sphere's surface. C D) distributed in small bunches over the sphere's surface. D E) Any of the above is equally likely. E ________ _ 7) Electric potential energy is the energy a charged object has because of its __________. _ A) electric charge. A B) location. B C) size. C D) momentum. D E) motion. E ________ _
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_ 8) A small, positively charged object near a positively charged sphere is moved closer to the sphere. The electric potential energy of the small object __________. A) decreases. B)
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This note was uploaded on 11/18/2010 for the course CPHY 101 taught by Professor Jay during the Spring '10 term at University of Massachusetts Boston.

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ch33mc_ElectricFieldsPotential - Choose the best answer to...

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