# 26 - Kapoor(mk9499 – oldhomework 26 – Turner –(60230...

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Unformatted text preview: Kapoor (mk9499) – oldhomework 26 – Turner – (60230) 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 2) 10.0 points A bar magnet is held above the center of a conducting wire loop in a horizontal plane with the north end of the magnet toward the loop. The magnet is dropped. N S counter- clockwise clockwise bar magnet Find the direction of the current, as viewed from above, around the wire loop while the magnet is falling toward the loop. 1. counter-clockwise correct 2. Unable to determine the direction. 3. clockwise Explanation: To oppose the field due to the north end of the magnet as it approaches the wire loop, the magnetic field should be directed upward along the axis of the loop, so the current must be counter-clockwise when viewed from above the loop. 002 (part 2 of 2) 10.0 points Find the direction of the current around the loop after the magnet has passed through the wire loop and moves away from it. 1. counter-clockwise 2. Unable to determine the direction. 3. clockwise correct Explanation: To enhance the field due to the south end of the magnet as it recedes from the wire loop, the magnetic field should be directed downward along the axis of the loop, so the current must be clockwise when viewed from above the loop. 003 (part 1 of 3) 10.0 points A capacitor of 55 μ F is connected in series to an inductor of 12 mH and to an open switch....
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## This note was uploaded on 06/28/2009 for the course PHY 303L taught by Professor Turner during the Fall '08 term at University of Texas.

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26 - Kapoor(mk9499 – oldhomework 26 – Turner –(60230...

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