Answer 13 and 14 13.If you are standing at the Earth’s north magnetic pole, which direction would a compass point? A. straight up toward the sky B. straight down toward the surface of earth C. the compass will not function D. the compass will keep turning 14.What do you get when you split a bar magnet in the middle? A. one south bar and one north bar B. two demagnetized bars C. two bars, each with north and south poles D. the bar magnet cannot be split

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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.