pq06ans - correct choice Toward the left Toward the right...

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PHYS-1200 PHYSICS II FALL 2004 Post Quiz 6 Name____ ANSWERS _______________________ 1. The figure below shows a cross section of a long cylindrical conductor of radius r , carrying a uniformly distributed current i directed INTO THE PAGE. 1. a) At points outside the wire, what is the general direction of the magnetic field produced by this wire? (Circle the correct choice.) Toward the left Toward the right Into the page Out of the page Toward the top of the page Toward the bottom of the page Clockwise Counter-clockwise Not enough information None of the other given choices is correct b) What is the direction of the magnetic field produced by the wire at point A ? (Circle the correct choice.) Toward the left Toward the right Into the page Out of the page Toward the top of the page Toward the bottom of the page Clockwise Counter-clockwise Not enough information None of the other given choices is correct c) What is the direction of the magnetic field produced by the wire at point B ? (Circle the
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Unformatted text preview: correct choice.) Toward the left Toward the right Into the page Out of the page Toward the top of the page Toward the bottom of the page Clockwise Counter-clockwise Not enough information None of the other given choices is correct Turn the paper over. There is more on the back. 2. a) In the expression B · d s , what is the physical meaning of d s ? (Circle the correct choice.) An infinitesimal surface area An infinitesimal displacement of a wire An infinitesimal displacement of a charge An infinitesimal displacement along an arbitrary path None of the other given choices is correct. b) Imagine a circular Amperian loop centered on the conductor. What is the angle between d s and B at point A , if you travel in a counter-clockwise direction around the loop? (Circle the correct choice.) 0° 90° 180° 270° Some other angle c) Does the angle between d s and B change as you move from point A to point B ? (Circle the correct choice.) Yes No Not enough information...
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pq06ans - correct choice Toward the left Toward the right...

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