# Ch23 HW3 - Ch23 HW3 F2010 9:35 PM WebAssign Ch23 HW3...

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Ch23 HW3 F2010 Page 1 of 4 http:[email protected][email protected] Current Score : 16 / 16 Due : Monday, November 15, 2010 11:25 AM EST 1. 1/1 points Question: MI3 23.2.X.008 A thick copper wire connected to a voltmeter surrounds a region of time-varying magnetic flux, and the voltmeter reads 12 volts. If instead of a single wire we use a coil of thick copper wire containing 24 turns, what does the voltmeter read? 288 288 V 2. 3/3 points Question: MI3 23.2.X.021 The north pole of a bar magnet points toward a thin circular coil of wire containing 43 turns (see the figure). The magnet is moved away from the coil, so that the flux through one turn inside the coil decreases by 0.2 tesla · m 2 in 0.3 seconds. What is the average emf in the coil during this time interval? Viewed from the right side (opposite the bar magnet), does the current run clockwise or counterclockwise? 28.6667 28.7 volts 3. 4/4 points Question: MI3 23.2.P.038 A rectangular loop A very long, tightly-wound solenoid has a circular cross section of radius r = 2.7 cm (only a portion of Ch23 HW3 F2010 (Homework) Stefan Coreth PY 208, section 002M, Fall 2010 Instructor: Laura I. Clarke

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## This note was uploaded on 11/10/2011 for the course PHYSICS 208m taught by Professor Beichner during the Fall '08 term at N.C. State.

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Ch23 HW3 - Ch23 HW3 F2010 9:35 PM WebAssign Ch23 HW3...

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