Answered: (a) A 0.740-m-long section of cable… | bartleby

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(a) A 0.740-m-long section of cable carrying current to a car starter motor makes an angle of 40° with the Earth's 5.5 x 10-5 T field. What is the current when the wire experiences a force of 7.30 x 10-³ N?
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(b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 4.00 cm of it to a 1.05-T field, what force is exerted on this segment of wire?
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