Ps05 - MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Physics 8.02 Spring 2010 Problem Set 5 Due Tuesday March 9 at 9 pm Hand in your problem

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PS05-1 MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Physics 8.02 Spring 2010 Problem Set 5 Due: Tuesday, March 9 at 9 pm. 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 and section on your problem set. Text: Liao, Dourmashkin, Belcher; Introduction to E & M MIT 8.02 Course Notes. Week Five Conductors as Shields; Current and Ohm’s Law Class 11 W05D1 M/T Mar 1/2 Conductors as Shields; Expt. 2: Faraday Ice Pail; Capacitors and Dielectrics Reading: Course Notes: Sections 4.3-4.4; 5.5, 5.9, 5.10.2 Experiment: Expt. 2: Faraday Ice Pail Class 12 W05D2 W/R Mar 3/4 Current, Current Density, and Resistance and Ohm’s Law; DC Circuits Reading: Course Notes: Sections 6.1-6.5; 7.1-7.4 Class 13 W05D3 F Mar 5: PS04: PHET: Building a Simple DC Circuit Reading: Course Notes: Sections 6.1-6.5; 7.1-7.4 Add Date Mar 5 Week Six DC Circuits Class 14 W06D1 M/T Mar 8/9 Expt. 3 Building a Circuit with Resistors, DC Circuits & Kirchhoff’s Loop Rules; Reading: Course Notes: Sections 7.1-7.5, 7.8-7.9 Experiment: Expt. 3 Building a Circuit with Resistors Class 15 W06D2 W/R Mar 10/11 RC Circuits; Expt. 4: RC Circuits Reading: Course Notes: Sections 7.5 – 7.6 Experiment: Expt. 4: RC Circuits Class 16 W06D3 F Mar 12 PS05: RC Circuits Reading: Course Notes: Sections 7.1 – 7.6, 7.8-7.9
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PS05-2 Problem 1: Short Questions a) Why is it possible for a bird to stand on a high-voltage wire without getting electrocuted? b) If your car’s headlights are on when you start the ignition, why do they dim while the car is starting? c) Suppose a person falling from a building on the way down grabs a high-voltage wire. If the wire supports him as he hangs from it, will he be electrocuted? If the wire then breaks, should he continue to hold onto the end of the wire as he falls? d) A series circuit consists of three identical lamps connected to a battery as shown in the figure below. When the switch S is closed, what happens to the brightness of the light bulbs? Explain your answer. Problem 2: Circuit The circuit below consists of a battery (with negligible internal resistance), three incandescent light bulbs (A, B & C) each with exactly the same resistance, and three switches (1, 2, & 3). In what follows, you may assume that, regardless of how much current flows through a given light bulb, its resistance remains unchanged. Assume that when current flows through a light bulb that it glows. The higher the current, the brighter
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This note was uploaded on 04/20/2010 for the course PHYSICS 8.02 taught by Professor Hughes during the Spring '08 term at MIT.

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Ps05 - MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Physics 8.02 Spring 2010 Problem Set 5 Due Tuesday March 9 at 9 pm Hand in your problem

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