Three long, parallel conductors each carry a current of I = 2.02 A. The figure below is an end view of the conductors, with each current coming out of the page. Taking a = 1.25 cm, determine the magnitude and direction of the magnetic field at the following points.

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Three long, parallel conductors each carry a current of I = 2.02 A. The figure below is an end view of the conductors, with each current coming out of the page. Taking a = 1.25
cm, determine the magnitude and direction of the magnetic field at the following points.
(a) point A
magnitude
HT
direction
toward the bottom of the page v
(b) point B
magnitude
direction
toward the bottom of the page v
(c) point C
magnitude
HT
direction
no direction
Transcribed Image Text:Three long, parallel conductors each carry a current of I = 2.02 A. The figure below is an end view of the conductors, with each current coming out of the page. Taking a = 1.25 cm, determine the magnitude and direction of the magnetic field at the following points. (a) point A magnitude HT direction toward the bottom of the page v (b) point B magnitude direction toward the bottom of the page v (c) point C magnitude HT direction no direction
A copper rod with a mass of 0.220 kg slides on parallel horizontal iron rails, 0.560 m apart, and carries a current of 15.0 A. The coefficient of friction between the rod and rails is
0.290. What vertical, uniform magnetic field is needed to keep the rod moving at a constant speed? (Enter the magnitude in mT.)
mT
Transcribed Image Text:A copper rod with a mass of 0.220 kg slides on parallel horizontal iron rails, 0.560 m apart, and carries a current of 15.0 A. The coefficient of friction between the rod and rails is 0.290. What vertical, uniform magnetic field is needed to keep the rod moving at a constant speed? (Enter the magnitude in mT.) mT
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