HW20 - Platt, David Homework 20 Due: Oct 26 2005, 4:00 am...

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Unformatted text preview: Platt, David Homework 20 Due: Oct 26 2005, 4:00 am Inst: Ken Shih 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points An air-core solenoid has a length of 55 . 9 cm, a cross-sectional area of 0 . 0885 m 2 , and contains 660 turns. The current through the solenoid increases by 9 . 55 A. The permeability of free space is 1 . 25664 10- 6 N / A 2 . By how much does the magnetic flux through the solenoid change? Answer in units of Wb. 002 (part 1 of 1) 10 points An open hemispherical surface of radius . 141 m is in a magnetic field of 0 . 121 T. The circular cross-section of the surface is perpendicular to the direction of the field. Calculate the magnetic flux through the surface. Answer in units of Tm 2 . 003 (part 1 of 1) 10 points A coil is wrapped with 231 turns of wire on the perimeter of a square frame of sides 35 .....
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This note was uploaded on 07/26/2009 for the course PHY 303L taught by Professor Turner during the Fall '08 term at University of Texas at Austin.

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