Ch18 - Q17.3a What is the direction of < 0 0 3> x < 0 4 0> 1 2 3 4 5 6 7 x x y y z z zero magnitude Q17.3b What is the direction of < 0 4 0> x < 0

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Q17.3a What is the direction of < 0, 0, 3> x < 0, 4, 0>? 1) +x 2) –x 3) +y 4) –y 5) +z 6) –z 7) zero magnitude
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Q17.3b What is the direction of < 0, 4, 0> x < 0, 0, 3>? 1) +x 2) –x 3) +y 4) –y 5) +z 6) –z 7) zero magnitude
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Q17.3c What is the direction of < 0, 0, 6> x < 0, 0, -3>? 1) +x 2) –x 3) +y 4) –y 5) +z 6) –z 7) zero magnitude
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Q17.3d Direction of magnetic field at the observation location? 1) +x 2) –x 3) +y 4) –y 5) +z 6) –z 7) zero magnitude
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Q17.3e Direction of magnetic field at the observation location? 1) +x 2) –x 3) +y 4) –y 5) +z 6) –z 7) zero magnitude
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Q17.3f At the observation location the magnetic field due to the proton is in the -y direction. What is a possible direction for the velocity of the proton? 1) +x 2) –x 3) +y 4) –y 5) +z 6) –z 7) zero magnitude
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Q17.3g At the observation location the magnetic field due to the electron is in the -z direction. What is a possible direction for the velocity of the electron ? 1) +x 2) –x 3) +y 4) –y 5) +z 6) –z 7) zero magnitude
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As a guess, what do you expect for the distance dependence of the magnetic field of a long, straight, current-carrying wire? 1)
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This note was uploaded on 02/04/2012 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas at Austin.

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Ch18 - Q17.3a What is the direction of < 0 0 3> x < 0 4 0> 1 2 3 4 5 6 7 x x y y z z zero magnitude Q17.3b What is the direction of < 0 4 0> x < 0

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