(a) The figure below shows an electron that is moving at speed v in a region of uniform magnetic field B. Use the vector cross-product to find the force on the electron, in terms of B and v, at the instant shown. 30° y (b) In the above figure, the electron orbits in a circle of radius 1.0 mm with a kinetic energy of 1.0 keV. Find the magnitude of the magnetic field. (c) The figure below shows the cross-section of two current-carrying wires. One wire carries 10 A of current out of the screen, and the other carries 20 A of current into the screen. Find the net magnetic field at point P, which is 10 cm above one wire and 10 cm to the right of the other. 10 A P 20 A

(a) The figure below shows an electron that is moving at speed v in a region of uniform magnetic field B. Use the vector cross-product to find the force on the electron, in terms of B and v, at the instant shown. 30° y (b) In the above figure, the electron orbits in a circle of radius 1.0 mm with a kinetic energy of 1.0 keV. Find the magnitude of the magnetic field. (c) The figure below shows the cross-section of two current-carrying wires. One wire carries 10 A of current out of the screen, and the other carries 20 A of current into the screen. Find the net magnetic field at point P, which is 10 cm above one wire and 10 cm to the right of the other. 10 A P 20 A

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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