A long, straight, wire carries a current I = 4.2 A out of the page. What is the magnitude and direction of the magnetic field at point P a distance r = 2 m to the right of the wire? O A. 420 nT, upward O B. 0.21 µT, upward O C. 0.42 µT, downward O D. 210 nT, upward
A long, straight, wire carries a current I = 4.2 A out of the page. What is the magnitude and direction of the magnetic field at point P a distance r = 2 m to the right of the wire? O A. 420 nT, upward O B. 0.21 µT, upward O C. 0.42 µT, downward O D. 210 nT, upward
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Transcribed Image Text:A long, straight, wire carries a current I = 4.2 A out of the page. What is the magnitude and direction
of the magnetic field at point Pa distance r = 2 m to the right of the wire?
O A. 420 nT, upward
ов. 0.21 рТ, upward
ос. 0.42 дТ, downward
O D. 210 nT, upward
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