(a) A 0.750 m long section of cable carrying current to a car starter motor makes an angle of 60˚ with the Earth’s magnetic field 5.50 × 10−5 T. 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 magnetic field, what force is exerted on this segment of wire?
(a) A 0.750 m long section of cable carrying current to a car starter motor makes an angle of 60˚ with the Earth’s magnetic field 5.50 × 10−5 T. 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 magnetic field, what force is exerted on this segment of wire?
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter19: Magnetism
Section: Chapter Questions
Problem 34P: A horizontal power line of length 58 m carries a current of 2.2 kA as shown in Figure P19.34. Earths...
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Q1: (a) A 0.750 m long section of cable carrying current to a car starter motor makes an angle of 60˚ with the Earth’s magnetic field 5.50 × 10−5 T. 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 magnetic field, what force is exerted on this segment of wire?
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