(1) Consider the rigid wire shown above with current flowingas indicated. There

Question

(1) Consider the rigid wire shown above with current flowingas indicated. There is a uniform mangnetic field perpendicular toteh wire into the paper. Use the right hand rule to determine thedirection ot the force on the horizontal segment ot the wire.     (a) Parallel to the paper and down     (b) Parallel to the paper and up     (c) Parallel to the paper to the left     (d) Parallel to the paper to theright (2) Why can we ignore the current in the vertical segments ofthe wire?     (a) The forces on the veritical segmentscancel each other out     (b) The magnetic field does not interactwith the current in the vertical segments     (d) The current flowing in the verticalsegments is significantly less than in the horizontal segment     (e) None of the above

Explanation / Answer

(1) (b) Parallel to the paper and up (2) (a) The forces on the veritical segments cancel each other out

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