In order for a magnetic force to exist between a source charge and a test charge a. the source charge and the test charge must both be uniform currents. O b. the source charge must be stationary, but the test charge must be moving. c. both the source charge and the test charge must be stationary. O d. the source charge must be moving, but the test charge must be stationary. e. both the source charge and the test charge must be moving.

In order for a magnetic force to exist between a source charge and a test charge a. the source charge and the test charge must both be uniform currents. O b. the source charge must be stationary, but the test charge must be moving. c. both the source charge and the test charge must be stationary. O d. the source charge must be moving, but the test charge must be stationary. e. both the source charge and the test charge must be moving.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 27P: (a) An oxygen-16 ion with a mass of 2.661026 kg travels at 5.0106 m/s perpendicular to a 1.20-T...

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Unreasonable results A charged particle having mass 6.641027kg (that of a helium atom) moving at 8.70105m/s perpendicular to a 1.50-T magnetic field travels in a circular path of radius 16.0 mm. (a) What is the charge of the particle? (b) What is unreasonable about this result? (c) Which assumptions are responsible?
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(a)What is the angle between a wire carrying an 8.00-A current and the 1.20-T field It Is in if 50.0 cm of the wire experiences a magnetic force of 2.40 N? (b) What is the force on the wire If It Is rotated to make an angle of 90° with the field?
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