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8. A positively charged particle has a velocity in the positive z-direction at point P. The magnetic force on the particle at this point is in the negative y-direction. Which one of the following statements about the magnetic field at point P can be determined from this data? a) B is positive. b) B, is positive. c) By is negative. d) none e) B is negative.

8. A positively charged particle has a velocity in the positive z-direction at point P. The magnetic force on the particle at this point is in the negative y-direction. Which one of the following statements about the magnetic field at point P can be determined from this data? a) B is positive. b) B, is positive. c) By is negative. d) none e) B is negative.

College Physics
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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**Questions and Answers:** 6. Two lightbulbs both operate on 220 V. One has a power of 200 W and the other 150 W. Which lightbulb carries more resistance? a) The 200-W lightbulb does. b) The bright 150-W lightbulb does. c) Both are the same. d) None 7. Car batteries are often rated in ampere-hours. This information designates the amount of ______ that the battery can supply. a) current b) power c) energy d) charge e) potential 8. A positively charged particle has a velocity in the positive z-direction at point P. The magnetic force on the particle at this point is in the negative y-direction. Which one of the following statements about the magnetic field at point P can be determined from this data? a) \( B_x \) is positive. b) \( B_z \) is positive. c) \( B_y \) is negative. d) none e) \( B_x \) is negative.
Transcribed Image Text:**Questions and Answers:** 6. Two lightbulbs both operate on 220 V. One has a power of 200 W and the other 150 W. Which lightbulb carries more resistance? a) The 200-W lightbulb does. b) The bright 150-W lightbulb does. c) Both are the same. d) None 7. Car batteries are often rated in ampere-hours. This information designates the amount of ______ that the battery can supply. a) current b) power c) energy d) charge e) potential 8. A positively charged particle has a velocity in the positive z-direction at point P. The magnetic force on the particle at this point is in the negative y-direction. Which one of the following statements about the magnetic field at point P can be determined from this data? a) \( B_x \) is positive. b) \( B_z \) is positive. c) \( B_y \) is negative. d) none e) \( B_x \) is negative.
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