1122_EXP_4_HW - the magnetic force between the rails? 3....

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PHYS 1122 Exp. 4 Magnetic Forces Homework NAME:_________________________ 1. A current I is passing through a wire. What is the magnitude and direction of the magnetic field at point A ? 2. The rails of a commuter train are used to carry the electric current to power the engine. The rails are 1.5 m apart and the current is 600 amps. In a length of 10 m of track, what is
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Unformatted text preview: the magnetic force between the rails? 3. For the configuration in Step 3 of the experiment, if the electronic balance reading decreases as the current increases, is the force attractive or repulsive? 4. When a magnetic field is parallel to a current-carrying wire, what is the force on the wire? A I r 1.5 m A B...
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