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two long straight wires pass through x=3cm and x=7cm and each carry currents of 6a. the...

two long straight wires pass through x=3cm and x=7cm and each carry currents of 6a. the one at 3cm is pointing out of the page and the 7cm one is pointing into the page. what is the value of the magnetic field at the origin and direction? in order for a charge to feel no magnetic force, what is one possible direction it could be moving?
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