Begin the exam by writing your name on every page. Show your work to present a c

Question

Begin the exam by writing your name on every page. Show your work to present a clear solution to every problem (this may include coloring circuit diagrams with colored pencils) If you have any questions, or find any errors, please ask about it! A few bits of useful information: qe = -1. 602 times 10-19C me = 9. 11 times 10-31 kg 1k = 8. 99 times 109 N m2 / C2 G = 6. 67 times 10-11 N m2 / kg2 mu degree = 4 pi x 107 V. s / (A. m) Currents l1 and l2 are equal in magnitude and steady. Sketch the magnetic field produced at points lying in the plane of the page. The reader should be able to determine from your sketch, where the field is stronger, weaker, or zero. Consider each of the eight octants. Four square conducting loops are now brought into the region and initially placed symmetrically with respect to the two wires shown (each in their own quadrant with their centers equal distance from the wires' crossing point). The squares arc then shifted in the directions as shown below.

Explanation / Answer

magnetic field due to I1 only at the ends(vertical) magnetic field due to I2 only at tHe ends(horizontal) above two are equal but at centre magnetic field is due to both I1 and I2 WHICH IS DOUBLED WHEN COMPARED WITH ENDS

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