A 15 turn circular wire loop that lies in the xy-plane has a diameter of 0.30 m. A current of 1.5 A travels through the loop such that the current is in the clockwise direction when viewed from above the xy-plane. The loop is in a uniform magnetic field: B=+1.5 Tj-2.0T k. (a) What is the magnetic moment of the current loop? (b) What is the torque exerted on the loop by the magnetic field? (c) What is the potential (orientation) energy of the coil in this magnetic field? As usual, set the potential energy equal to zero when the magnetic moment is perpendicular to the magnetic field. For any vector quantities give the answer in unit-vector notation.

A 15 turn circular wire loop that lies in the xy-plane has a diameter of 0.30 m. A current of 1.5 A travels through the loop such that the current is in the clockwise direction when viewed from above the xy-plane. The loop is in a uniform magnetic field: B=+1.5 Tj-2.0T k. (a) What is the magnetic moment of the current loop? (b) What is the torque exerted on the loop by the magnetic field? (c) What is the potential (orientation) energy of the coil in this magnetic field? As usual, set the potential energy equal to zero when the magnetic moment is perpendicular to the magnetic field. For any vector quantities give the answer in unit-vector notation.

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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Concept explainers

Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

Question

7.1

A 15 turn circular wire loop that lies in the xy-plane has a diameter of 0.30 m. A current of
1.5 A travels through the loop such that the current is in the clockwise direction when viewed
from above the xy-plane. The loop is in a uniform magnetic field: B = +1.5 Tj-2.0T k.
(a) What is the magnetic moment of the current loop? (b) What is the torque exerted on the
loop by the magnetic field? (c) What is the potential (orientation) energy of the coil in this
magnetic field? As usual, set the potential energy equal to zero when the magnetic moment is
perpendicular to the magnetic field. For any vector quantities give the answer in unit-vector
notation.

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