When you bring a current-carrying wire down onto the top of a compass, aligned with the original direction of the needle and 3 mm above the needle, the needle deflects by 0 = 17 degrees (see the figure). (BEarth (a) Which of the following statements are correct? Select all that apply. O Electron current in the wire is flowing upward (North). O The magnetic field under the wire, due to the current, points to the West. O The magnetic field under the wire, due to the current, points North. O Conventional current in the wire flows upward (North). O The magnetic field under the wire, due to the current, points to the East. O Conventional current in the wire is flowing downward (South). (b) Calculate the amount of conventional current flowing in the wire. The measurement was made at a location where the horizontal component of the Earth's magnetic field is BEarth 2 x 105 tesla. 0.102 X A

When you bring a current-carrying wire down onto the top of a compass, aligned with the original direction of the needle and 3 mm above the needle, the needle deflects by 0 = 17 degrees (see the figure). (BEarth (a) Which of the following statements are correct? Select all that apply. O Electron current in the wire is flowing upward (North). O The magnetic field under the wire, due to the current, points to the West. O The magnetic field under the wire, due to the current, points North. O Conventional current in the wire flows upward (North). O The magnetic field under the wire, due to the current, points to the East. O Conventional current in the wire is flowing downward (South). (b) Calculate the amount of conventional current flowing in the wire. The measurement was made at a location where the horizontal component of the Earth's magnetic field is BEarth 2 x 105 tesla. 0.102 X A

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter19: Magnetism

Section: Chapter Questions

Problem 18P: Electrons in Earths upper atmosphere have typical speeds near 6.00 105 m/s. (a) Calculate the...

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