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Physics / College Physics 1 / Chapter 22 / Problem 38

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

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(a) A 0.750-m-long section of cable carrying current to a

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Problem 38PE

(a) A 0.750-m-long section of cable carrying current to a car starter motor makes an angle of 60º with the Earth’s 5.50×10−5 T field. What is the current when the wire experiences a force of 7.00×10−3 N ? (b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.75-T field, what force is exerted on this segment of wire?

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QUESTION:

Problem 38PE

(a) A 0.750-m-long section of cable carrying current to a car starter motor makes an angle of 60º with the Earth’s 5.50×10−5 T field. What is the current when the wire experiences a force of 7.00×10−3 N ? (b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.75-T field, what force is exerted on this segment of wire?

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Solution 38PE

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