A magnetic needle with magnetic moment μ = 0.015 Am² is placed in a uniformmagnetic field B = 0.45 T as shown in the figure. The angle between the direction of the magnetic momentand the direction of the magnetic field is = 95°.Randomized Variablesμ = 0.015 Am²B = 0.45 T0 = 95°Express the potential energy U in terms of μ, B, 0.Calculate the numerical value of U in J.1PBIf can be changed, which value has the minimum potential energy? Give your answer in degrees.If can be changed, which value has the maximum potential energy? Give your answer in degrees.Ignore the mass of the needle, express the work needed to change the angle from 0 to a in terms of µ, B, 0, a.If a = 155°, calculate the numerical value of the work in J.O1E

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A magnetic needle with magnetic moment μ = 0.015 Am² is placed in a uniform magnetic field B = 0.45 T as shown in the figure. The angle between the direction of the magnetic moment and the direction of the magnetic field is 0 = 95⁰. Randomized Variables μ=0.015 Am² B=0.45 T 0 = 95° Express the potential energy U in terms of μ, B, 0. Calculate the numerical value of U in J. B If can be changed, which value has the minimum potential energy? Give your answer in degrees. If can be changed, which value has the maximum potential energy? Give your answer in degrees. Ignore the mass of the needle, express the work needed to change the angle from 0 to a in terms of μ, B, 0, a. If a = 155°, calculate the numerical value of the work in J. 15

A magnetic needle with magnetic moment μ = 0.015 Am² is placed in a uniform magnetic field B = 0.45 T as shown in the figure. The angle between the direction of the magnetic moment and the direction of the magnetic field is 0 = 95⁰. Randomized Variables μ=0.015 Am² B=0.45 T 0 = 95° Express the potential energy U in terms of μ, B, 0. Calculate the numerical value of U in J. B If can be changed, which value has the minimum potential energy? Give your answer in degrees. If can be changed, which value has the maximum potential energy? Give your answer in degrees. Ignore the mass of the needle, express the work needed to change the angle from 0 to a in terms of μ, B, 0, a. If a = 155°, calculate the numerical value of the work in J. 15

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 72AP: A particle moving downward at a speed of 6.0106 m/s enters a uniform magnetic field that is...

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