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12-04-2024
Physics

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A) A 0. 7 m long section of cable carrying current to a car starter motor make an angle of 55° with the Earth's 5. 5 x10⁻⁵ T field. What is the current when the wire experiences a force of 4. 7 ×10⁻³ N?
b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 4 cm of it to a 1. 2 T field, what force is exerted on this segment of wire?

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