A block of iron with volume 12.5 x 10³ m³ contains 3.95 x 10 electrons, with each electron having a magnetic moment equal to the Bohr magneton. Suppose that 50.004% (nearly half) of the electrons have a magnetic moment that points in one direction, and the rest of the electrons point in the opposite direction. What is the magnitude of the magnetization of this block of iron?

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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.