CH18 HW4

# CH18 HW4 - 1 6/6 points All Submissions Notes Web Assign...

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Unformatted text preview: 1. 6/6 points All Submissions Notes Web Assign Ch18 HW4 S2010 (Homework) Kiyaniah Tilghman PY 208, section 003M, Spring 2010 Instructor: Keith Weninger Current Score : 26 / 26 Due : Monday, February 22, 2010 12:30 PM EST About this Assignment Extension Requests Question Points 1 2 3 4 5 6 6 3 4 5 3 5 Total 26/26 (100.0%) Description Magnetic fields of current loops and dipoles Instructions Reading: Sec 18.8-18.11 The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Question: MI3 18.X.052 2. 3/3 points All Submissions Notes 3. 4/4 points All Submissions Notes Conventional current flows in a ring in the direction indicated in the diagram (if you stand at location A , on the +x axis, and look toward the ring, current flows clockwise). At each of the locations labeled by a letter, use the right hand rule to find the direction of the magnetic field at that location, due to the current in the ring. Location A-x-x Location B +x +x Location C-x-x Location D +x +x Location E +x +x Location F +x +x Question: MI3 18.X.053 (a) A loop of wire carries a conventional current of 0.6 amperes. The radius of the loop is 0.07 m. Calculate the magnitude of the magnetic field at a distance of 0.46 m along the axis of the loop, from the center of the loop. B = 1.83e-8 1.83e-08 T (b) What would the magnitude of the magnetic field be at the same location if there were 100 loops of wire in a coil, instead of one loop? B = 1.83e-6 1.83e-06 T Question: MI3 18.P.059 Wire with a loop in it A very long wire carrying a conventional current of 3.9 amperes is straight except for a circular loop of radius 6.8 cm (see the figure). Calculate the approximate magnitude and the direction of the magnetic field at the center of the loop. the magnetic field at the center of the loop....
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## This note was uploaded on 09/21/2010 for the course PY 005 taught by Professor Mattewk. during the Spring '10 term at N.C. State.

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CH18 HW4 - 1 6/6 points All Submissions Notes Web Assign...

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