roblem: A circular coil is made up of N = 380 closely wrapped turns of wire and has a radius R = 0.15 m. A counterclockwise current I= 2.9 A is in the coil. The coil is situated in a magnetic field of magnitude B = 1.4 T. The magnetic field points to right.

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 71P: Assume the region to the right of a certain plane contains a uniform magnetic field of magnitude...
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Just parts E G and H please

Problem 7: A circular coil is made up of N= 380 closely wrapped turns of wire and has a
radius R = 0.15 m. A counterclockwise current I= 2.9 A is in the coil. The coil is situated in a
B
magnetic field of magnitude B = 1.4 T. The magnetic field points to right.
Part (a) Express the magnetic dipole moment u in terms of the number of the turns N, the current I, and radius R.
u = 1R?NI / Correct!
Part (b) Calculate the numerical value of u in SI units.
u= 77.8563
u = 77.86 vCorrect!
Part (c) What is the vector direction of u?
Upward. / Correct!
Part (d) Express the magnitude of the torque r in terms of u and B.
/ Correct!
Part (e) Calculate the numerical value of r in N•m.
=1
Part (f) What is the vector direction of the torque?
Into the screen.
/ Correct!
Part (g) What is the potential energy of the coil in the magnetic field, in terms of the variables provided?
U=
Part (h) If the magnetic field was pointing upward, express the potential energy of the coil in the magnetic field, U, in terms of u and B.
U, =
Transcribed Image Text:Problem 7: A circular coil is made up of N= 380 closely wrapped turns of wire and has a radius R = 0.15 m. A counterclockwise current I= 2.9 A is in the coil. The coil is situated in a B magnetic field of magnitude B = 1.4 T. The magnetic field points to right. Part (a) Express the magnetic dipole moment u in terms of the number of the turns N, the current I, and radius R. u = 1R?NI / Correct! Part (b) Calculate the numerical value of u in SI units. u= 77.8563 u = 77.86 vCorrect! Part (c) What is the vector direction of u? Upward. / Correct! Part (d) Express the magnitude of the torque r in terms of u and B. / Correct! Part (e) Calculate the numerical value of r in N•m. =1 Part (f) What is the vector direction of the torque? Into the screen. / Correct! Part (g) What is the potential energy of the coil in the magnetic field, in terms of the variables provided? U= Part (h) If the magnetic field was pointing upward, express the potential energy of the coil in the magnetic field, U, in terms of u and B. U, =
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