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Quiz_8_Solutions

# Quiz_8_Solutions - Nametégblj3W— ECE 305 PID Fall 2008...

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Unformatted text preview: Nametégblj3W—__ ECE 305 PID: Fall 2008 Quiz 8 .1. (1 pt) The mutual inductance between the loop (coil) and the (infinitely long) wire shown below 1s %Q/1O Lei.- Assume that the ioop and the wire are in the same plane A ,{0 / h 1‘ 3/. ,W) is: _ ‘ i F‘ Ms“ W ,- i '1'} Y‘s‘leSAKlL Tm u«\>/ 3 A / j: E; Elie: m“; swig). lily—3;. 'bk ‘mw’vﬁ, ’ l‘l tetra; 5 1;. ”lid“ 3 51(1- )1 L‘rf 231.’ “FM“ “it" it o?— ,1 ﬁg: _ gamma )3; w— o : (ﬁr S Fjwﬂf‘lg “’0 \$3 5; 2. (1 pt) What 15 the physicai cons uence of Gauss 3 law f01 magnetic fields (V-B= 0 )? B ﬂuvial Lune/t Jim/m W Lamp/s [Cﬁ‘wwiwllj / MMJFSL mowe'gu’lgx) 3. (1 pt) A rectangular current 100p in the x—y plane is immersed in a uniform magnetic field that is oriented along the (positive) z—axis. Will the force on the loop result in expansion, contraction or twisting (torque) of the 100p? If not, what effect will the force have? Assume that the loop is placed with one of its edges on the x—axis, and the rest of the loop is above the y=0 line. Also, assume that the current is flowing clockwise around the loop. 4. (1 pt) In problem 3 above, what would happen if the B-fieid is oriented along the (positive) y-axis? M (9 lE Nood/ g :5 MM gen-'0 an WM? @ 9MB?“ 3 “AA x» A)“; (ﬁe-"3"; Page 1 of 1 g?" lﬁu X‘— ‘J Fmﬂe—j ...
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