Direction may be: into the page, out of the page, toward the top of the page, to
ID: 1440910 • Letter: D
Question
Direction may be: into the page, out of the page, toward the top of the page, toward the bottom of the page, toward the left side of the page, toward the right side of the page, or the magnitude is 0.
10.6 cm and carry currents of I = 5.50 A in opposite The two wires shown in the figure below are separated by d directions P2 P1 2d (a) Find the magnitude and direction of the net magneic field at a point midway between the wires magnitude directiorn --Select- b) Find the magnitude and direction of the net magnetic field at point P1, 10.6 cm to the right of the wire on the right. magnitude direction --Select- (c) Find the magnitude and direction of the net magnetic field at point P2, 2d = 21.2 cm to the left of the wire on the left. magnitude direction --Select-Explanation / Answer
a) direction due to both wire will be into the page.
B = 2B = 2 ( u0 I ) / (2 pi (d/2))
B = 2 (4pi x 10^-7 x 5.50 ) / (pi x 0.106)
B = 4.15 x 10^-5 T = 41.5 uT
into the page
B) B = [(4pi x 10^-7 x 5.50 ) / (2 pi (0.106))] - [(4pi x 10^-7 x 5.50 ) / (2 pi (0.106+0.106))]
B = 5.19 x 10^-6 = 5.19 uT
out of page
C) B = [(4pi x 10^-7 x 5.50 ) / (2 pi (2 x 0.106))] - [(4pi x 10^-7 x 5.50 ) / (2 pi (3 x 0.106))]
B = 1.73 x 10^-6 = 1.73 uT
out of page
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