PHYS 2114 Exam 2 Fall 2010

PHYS 2114 Exam 2 Fall 2010 - " Physics 2114""...

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Unformatted text preview: " Physics 2114 ." " Midterm Exam 2 Cl~<;~ A \I~~ ~~ * Av '. CI\ Fa1l2~O Page 1 Circuit I Circuit 2 8V 4V Figure 1 6V 6V , ; ' ' ' i Signatu , .,- - - - - - - - - - - - - - - - - ( Y r m r ) - - - - - - - - - - - Problem 1 (See Fig, 1 - Two Circuits, Coordinate system is given) (36 points) Two parallel wires from two circuits are separated by a distance of 60 em and have currents I] ~ 2.0 A and h = 0,333 A, A is at a 1:\ distance 20 em from h ~ a. Show on Fig. I the direction of the magnetic field atA duetoh b. Calculate strength of the magnetic field at A due to h c. Calculate the total magnetic field B at A. d. These wires are [attracted to, e ulsed from each other. Circle One ~-- f.J ld ix ; , '1 e. Sketch and label dL and ; from dB = 2 ~ 41f r III on Fig. I considering A and h o~ f. Verify (or not) the magnitude and direction of h / h t)~ ~ 2.T1d-, , 0,0'1 L. ~\ +- ~ L : \\;or I )'W"T t L (;it[Xlo-.,~\l~~)J1)\ t i l (0 .2..,) J , y 10-1. T r 5. 33xI0-' T-G,C7 y [(f"7 T 12 ~: It')! XICf r Midterm...
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PHYS 2114 Exam 2 Fall 2010 - " Physics 2114""...

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