How can you know what kind of bars are made. Explain by investigating net magnetization In most atoms, electrons occur in pairs. Electrons in a pair spin in opposite directions. So, whenelectrons are paired together, their opposite spins cause their magnetic fields to cancel each other.Therefore, no net magnetic field exists. Alternately, materials with some unpaired electrons willhave a net magnetic field and will react more to an external field. Most materials can be classifiedas diamagnetic, paramagnetic or ferromagnetic.

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How can you know what kind of bars are made. Explain by investigating net magnetizatio

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 80P

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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.

Question

How can you know what kind of bars are made. Explain by investigating net magnetization

In most atoms, electrons occur in pairs. Electrons in a pair spin in opposite directions. So, when
electrons are paired together, their opposite spins cause their magnetic fields to cancel each other.
Therefore, no net magnetic field exists. Alternately, materials with some unpaired electrons will
have a net magnetic field and will react more to an external field. Most materials can be classified
as diamagnetic, paramagnetic or ferromagnetic.

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