Wires I6 and I3 are parallel with currents pointing in opposite directions as shown below. a) b) c) d) Find the magnitude and direction of the total magnetic field at point A. Find the magnitude and direction of the total magnetic field at point P. Suppose a long straight wire I4 is perpendicular to the page and carries a current of 4.20 Amps into the page, and it passes through the plane of the page at point P. What is the magnitude and direction of the magnetic force felt by a 1.00 meter length of this wire? Suppose a proton is passing through point P, moving at a rate of 3.85 x 106 m/s in a direction 27.0° below +

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Chapter24: Magnetic Fields
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Problem 103A
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Wires I6 and I3 are parallel with currents pointing in opposite directions as shown below. a) b) c) d) Find the magnitude and direction of the total magnetic field at point A. Find the magnitude and direction of the total magnetic field at point P. Suppose a long straight wire I4 is perpendicular to the page and carries a current of 4.20 Amps into the page, and it passes through the plane of the page at point P. What is the magnitude and direction of the magnetic force felt by a 1.00 meter length of this wire? Suppose a proton is passing through point P, moving at a rate of 3.85 x 106 m/s in a direction 27.0° below +x. What is the magnitude and direction of the magnetic force on this proton (wire I4 is no longer present)?
Wires l6 and I3 are parallel with currents pointing in opposite directions as shown below.
a) Find the magnitude and direction of the total magnetic field at point A.
b) Find the magnitude and direction of the total magnetic field at point P.
c) Suppose a long straight wire l4 is perpendicular to the page and carries a current of
4.20 Amps into the page, and it passes through the plane of the page at point P.
What is the magnitude and direction of the magnetic force felt by a 1.00 meter
length of this wire?
d) Suppose a proton is passing through point P, moving at a rate of 3.85 x 106 m/s in a
direction 27.0° below +x. What is the magnitude and direction of the magnetic force
on this proton (wire l4 is no longer present)?
1.80 m
1.15 m
1.15 m
A
P
6 = 6.11 A
l3 = 3.25 A
%3D
%3D
Transcribed Image Text:Wires l6 and I3 are parallel with currents pointing in opposite directions as shown below. a) Find the magnitude and direction of the total magnetic field at point A. b) Find the magnitude and direction of the total magnetic field at point P. c) Suppose a long straight wire l4 is perpendicular to the page and carries a current of 4.20 Amps into the page, and it passes through the plane of the page at point P. What is the magnitude and direction of the magnetic force felt by a 1.00 meter length of this wire? d) Suppose a proton is passing through point P, moving at a rate of 3.85 x 106 m/s in a direction 27.0° below +x. What is the magnitude and direction of the magnetic force on this proton (wire l4 is no longer present)? 1.80 m 1.15 m 1.15 m A P 6 = 6.11 A l3 = 3.25 A %3D %3D
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