# samp06 - B and v are perpendicular to each other the...

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SAMPLE PROBLEM (Class 6) ANS. The sketch below shows the situation for the case of the particle a distance d from the wire, and moving toward the wire. The magnetic field in the vicinity of the particle points into the page, and has a magnitude, d i B π μ 2 0 = . B and v are perpendicular to each other. a) F = q v × B . According to the right hand rule, the force is directed to the left, or opposite to the current direction. Since
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Unformatted text preview: B and v are perpendicular to each other, the magnitude of the force is: d i qv qvB F 2 = = The direction is antiparallel to the current. b) The only thing that has changed is the direction of v , so the direction of F changes also. F points in the opposite direction. d i qv qvB F 2 = = The direction is parallel to the current....
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