Homework 13 - lim(kl9356 – Homework 13 – Weathers...

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Unformatted text preview: lim (kl9356) – Homework 13 – Weathers – (22202) 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 3) 10.0 points An infinite wire is bent as shown in the figure. The current is I . It consists of 3 segments AB , BDE , and EF . AB is vertical with A extending to infinity. EF is horizontal with F extending to infinity. BDE is one-quarter of a circular arc. We use the Roman numerals I, II, III and IV to denote the direction of a vector in the xy plane, which begins at the origin and is pointing into the quadrants I, II, III and IV respectively. B O D C E F A O y x I II III IV The direction of the magnetic vector at O due to the current segment BD , that due to DE and that due to EF are given by respectively (“in, out” mean “into, or out of”the xy plane) 1. B BD = in, B DE = out, B ED = out 2. B BD = in, B DE = out, B ED = in 3. B BD = out, B DE = out, B ED = out 4. I, II, B ED = in 5. B BD = in, B DE = in, B ED = out 6. B BD = out, B DE = in, B ED = out 7. B BD = in, B DE = in, B ED = in 8. IV, IV, B ED = out 9. B BD = out, B DE = in, B ED = in 10. B BD = out, B DE = out, B ED = in 002 (part 2 of 3) 10.0 points What is the magnitude of vector B at the center of the arc due to the arc...
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This note was uploaded on 09/07/2010 for the course PHYS 2220 taught by Professor Littler during the Spring '00 term at North Texas.

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Homework 13 - lim(kl9356 – Homework 13 – Weathers...

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