An aluminum wire of length 1.5 m and mass of 0.070 kg is in a magnetic field of 0.40 T. What is the current in the wire such that the magnetic force balances the weight of the rod? 1.2 A 1.14 A 9.8 A 2.5 A

An aluminum wire of length 1.5 m and mass of 0.070 kg is in a magnetic field of 0.40 T. What is the current in the wire such that the magnetic force balances the weight of the rod? 1.2 A 1.14 A 9.8 A 2.5 A

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 67A

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

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please help as soon as possible, please also show work

An aluminum wire of length 1.5 m and mass of 0.070 kg is in a magnetic field of 0.40 T. What is the
current in the wire such that the magnetic force balances the weight of the rod?
1.2 A
1.14 A
9.8 A
2.5 A

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