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Unformatted text preview: are directed (b) [8pt] What is the force on each of the wire segments A and D due to the current in the top
wire? Give the magnitude and direction for each, and clearly label them.
The force of a magnetic field on a wire is given by
magnitudes of the forces on wires A and D are given by Since the The right-hand rule for the cross product shows that
is directed upward while
downward , which is consistent with the rule that like currents attract and opposit e
currents repel. 3 (c) [4pt] What is the net force on the wire segments B and C due to the current in the top wire?
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