- A square loop of wire with side length of 3.72 cm and carries a current of 1.27 mA, is initially rest and lies flat on the zy plane with its center at the origin and two sides parallel to the z-axis. Suppose that there is a uniform magnetic field B=(2.811 +8.76 k) mT and the loop's magnetic moment points to the direction k. Due to the presence with a of the magnetic field, the loop will rotate about the corresponding torque magnitude that is most nearly (A) z-axis, 16.2 nN.m (B) z-axis, 16.2 nN - m (C) y-axis, 16.2 nN - m 11 of 15 (D) y-axis, 4.94 nN.m (E) z-axis, 4.94 nN - m

- A square loop of wire with side length of 3.72 cm and carries a current of 1.27 mA, is initially rest and lies flat on the zy plane with its center at the origin and two sides parallel to the z-axis. Suppose that there is a uniform magnetic field B=(2.811 +8.76 k) mT and the loop's magnetic moment points to the direction k. Due to the presence with a of the magnetic field, the loop will rotate about the corresponding torque magnitude that is most nearly (A) z-axis, 16.2 nN.m (B) z-axis, 16.2 nN - m (C) y-axis, 16.2 nN - m 11 of 15 (D) y-axis, 4.94 nN.m (E) z-axis, 4.94 nN - m

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Magnetic Forces And Magnetic Fields

Section: Chapter Questions

Problem 56P

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