Two parallel wires, each carrying a current of 2.2 A in the same direction are s
ID: 2093645 • Letter: T
Question
Two parallel wires, each carrying a current of 2.2 A in the same direction are shown in the figure.
A) Find the magnitude of the net magnetic field at points A.
B) Find the direction of the new magnetic field at points A. (into the page, out of the page, or the magnitude is zero)
C) Find the magnitude of the net magnetic field at points B.
D) Find the direction of the net magnetic fields at point B (same answer options as part B)
E) Find the magnitude of the net magnetic field at points C.
F) Find the direction of the net magnetic field at points C (same answer options as part B)
Explanation / Answer
A)
Bnet = (1.26*10^-6*2.2/(2*3.14))*(1/0.075+1/0.225) = 7.85*10^-6 T
B)
direction = out of the page
C)
Bnet = (1.26*10^-6*2.2/(2*3.14))*(1/0.075-1/0.075) = 0
D)
direction = magnitude is zero
E)
Bnet = (1.26*10^-6*2.2/(2*3.14))*(1/0.075+1/0.225) = 7.85*10^-6 T
F)
direction = into the page
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