8. The diagram below represents a compass next to a bar magnet. Notice the compass is missing the compass needle. Compass Which diagram best represents the direction of the compass needle if it were placed inside the compass? Explain your answer. (1) (3) -N- (2) (4) 9. What happens if you cut a magnet in half? %S4

8. The diagram below represents a compass next to a bar magnet. Notice the compass is missing the compass needle. Compass Which diagram best represents the direction of the compass needle if it were placed inside the compass? Explain your answer. (1) (3) -N- (2) (4) 9. What happens if you cut a magnet in half? %S4

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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10. Two infinite parallel wires each have a current I flowing in the direction shown in the image below. The wires are a distance L apart. a) For extra practice, use Ampere's Law to calculate the magnetic field strength for an infinitely long straight wire, clearly explaining any symmetry arguments used. b) Using the result from a), what is the magnetic field at point P shown in terms of I, L, x, and any other necessary physical constants (x is the perpendicular distance from the midpoint between the two identical currents, & P is the same distance from both currents)? Make sure you include the contribution from both wires and report a vector (magnitude and direction). c) For what value of x is the magnitude of the magnetic field a maximum?
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