A long, horizontal current-carrying wire is hanging from a vertical thread. The current is oriented into the plane of the figure shown below. A uniform magnetic field (B = 0.4 T) due to fixed magnets is applied along the negative y-axis. a) Sketch the uniform magnetic field on the picture above. b) Explain why the wire is not hanging vertically. c) Draw a free body diagram for the wire identifying all of the forces acting on the wire.
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A long, horizontal current-carrying wire is hanging from a vertical thread. The current is oriented into the plane of the figure shown below. A uniform magnetic field (B = 0.4 T) due to fixed magnets is applied along the negative y-axis.
a) Sketch the uniform magnetic field on the picture above.
b) Explain why the wire is not hanging vertically.
c) Draw a free body diagram for the wire identifying all of the forces acting on the wire.
d) The wire has a length L = 0.80 m, a mass m = 0.050 kg and carries a current I = 0.3A. What is the value of the angle θ?
e) If the wire returns to the vertical position, what might have happened?
f) Design a simple process by which you can get the wire to hang on the other side of the y-axis.
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