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Forces in a Magnetic Field

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by

Richard Datwyler

on 9 March 2016

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Transcript of Forces in a Magnetic Field

Forces in a Magnetic Field
The forces in a magnetic field are perpendicular.
As will the Biot-Savart law we will move from one charged particle to a wire, and consider the force on each.
B out
-q
I
B = out
B = in
B = in
B = in
For an electron moving at a speed of 1.5 x 10 m/s, going through a region on magnetic field, what strength and dirction of B field is needed levitate it against gravity?
B out
What force is there between two 5 m wires carrying 20 A of current in the same direction, if they are separated by 3 mm?
6
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