Problem Set 2

Problem Set 2 - MASSACHUSETTS INSTITUTE OF TECHNOLOGY...

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PS02-1 MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Physics 8.02 Spring 2008 Problem Set 2 Due: Wednesday, February 20 at 11 am. Hand in your problem set in your section slot in the boxes outside the door of 32-082. Make sure you clearly write your name, section, table, group (e.g. L01 Table 3 Group A) Problem 1 (10 points): Concept Questions. Explain your reasoning. (a) (5 points) If you place a negatively charged particle in an electric field, the charge will move 1. from higher to lower electric potential and from lower to higher potential energy. 2. from higher to lower electric potential and from higher to lower potential energy. 3. from lower to higher electric potential and from lower to higher potential energy. 4. from lower to higher electric potential and from higher to lower potential energy. (b) (5 points) Two charges lie on the x-axis. A representation of the equipotentials of the electric potential of these two charges is shown to the right. The “streaks” in this representation are parallel to the equipotential curves. Which one of the following statements is true? 1. The two charges have opposite signs and the charge on the left is smaller in magnitude than the charge on the right.
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Problem Set 2 - MASSACHUSETTS INSTITUTE OF TECHNOLOGY...

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