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anonymous
 one year ago
A 5.0 m portion of wire carries a current of 8.0 A from east to west. It experiences a magnetic field of 6.0 × 10^4 T running from north to south. What is the magnitude and direction of the magnetic force on the wire?
A. 1.2 * 10^2 N downward
B. 1.2 * 10^2 N upward
C. 2.4 * 10^2 N downward
D. 2.4 * 10^2 N upward
**is the solution choice A? @michele_laino
anonymous
 one year ago
A 5.0 m portion of wire carries a current of 8.0 A from east to west. It experiences a magnetic field of 6.0 × 10^4 T running from north to south. What is the magnitude and direction of the magnetic force on the wire? A. 1.2 * 10^2 N downward B. 1.2 * 10^2 N upward C. 2.4 * 10^2 N downward D. 2.4 * 10^2 N upward **is the solution choice A? @michele_laino

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2here is the situation described by your problem: dw:1434870022530:dw

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2oops, I have made a n error: dw:1434870146959:dw

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2now the magnitude of the magnetic force F is: \[\Large F = ILB = 8 \times 5 \times 6 \times {10^{  4}} = ...Newtons\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok! so we get 0.024!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so either choice A or choice B! but it is moving downward right? so choice A is our solution?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2it is option D, since the vector F is pointing out from the drawing plane toward the observer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ohhhh okay! oops! :P thank you!!
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