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# Three long straight wires are parallel to each other and carry currents directed into or out...

Three long straight wires are parallel to each other and carry currents directed into or out of the page, as shown. Wires 1 and 2 carry a current I, and wire 3 carries a current 41. (Note: Be sure to use unit vector notation in each part). 2d indn rssio for th net magnaie fald B ) B) Find the force on a charged particle q-+1.0uC passing through the origin with speed 1.0 m/s directed out of the page (v-1.0k m/s). Assume that I-1.0 A and d- 1.0 m. (5 pts.) Find the force on a fourth wire with length 10 m located at the origin, parallel to the other wires, and carrying a current I directed out of the page. (5 pts.) C) Where could you place the fourth wire from part c so that the magnetic field at the origin is zero? (3 pts.) Bonus:

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