Quiz3Solution.pdf

# Two long straight wires separated by 010 m carry

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22. Two long, straight wires separated by 0.10 m carry currents of 18 A and 6 A in the same direction as shown. Determine the magnitude of the magnetic field at the point P . A) 2.4 x 10 5 T B) 4.8 x 10 5 T : both contribute components INTO the page; B= µ 0 /2 " (18A/0.15m+6A/0.05m) C) 7.2 x 10 5 T D) 9.6 x 10 5 T E) zero tesla

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Page 10 23. A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false? 24. A particle with a mass of 6.64 × 10 27 kg and a charge of +3.20 × 10 19 C is accelerated from rest through a potential difference of 2.45 × 10 6 V. The particle then enters a uniform 1.60-T magnetic field. If the particle's velocity is perpendicular to the magnetic field at all times, what is the magnitude of the magnetic force exerted on the particle?

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