CH 17 HW 3

# CH 17 HW 3 - CH 17 HW 3 S2009(Homework Current Score 25/30...

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CH 17 HW 3 S2009 (Homework) Current Score: 25/30 Due: Friday, February 20, 2009 12:29 PM EST About this Assignment Extension Requests Question Points 1 2 3 4 2 20/21 2 1/5 Total 25/30 Description Magnetic field of currents Instructions Reading: Sec 17.7 The due date for this assignment is past. Your work can be viewed below, but no changes can be made. 1. 2/2 points All Submissions Notes Question: MI2 17.X.15.01 Question part Points Submissions 1 2 1 1 1/3 2/3 Total 2/2 A straight wire of length 0.71 m carries a conventional current of 0.3 amperes. What is the magnitude of the magnetic field made by the current at a location 2.1 cm from the wire? Use both the exact formula and the approximate formula to calculate the field.

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(a) result using exact formula B = 2.85e-6 2.85e-06 T (b) result using approximate formula B = 2.86e-6 2.86e-06 T 2. 20/21 points All Submissions Notes Question: MI2 17.X.15.02 Question part Points Submissions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0/1 1/3 1/3 2/3 2/3 1/3 1/3 2/3 1/3 1/3 2/3 1/3 1/3 1/3 1/3 1/3 1/3 1/3 2/3 1/3 1/3 3/3 Total 20/21 A wire through which a current is flowing lies along the x-axis as shown. Connecting wires which are not shown in the diagram connect the ends of the wire to batteries (which are also not
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## This note was uploaded on 02/13/2010 for the course PY PY208 taught by Professor Kohlmyer during the Spring '09 term at N.C. A&T.

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CH 17 HW 3 - CH 17 HW 3 S2009(Homework Current Score 25/30...

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