Simple Electromagnet iron nail colled wire wire Battery + battery vector Stock ww anN e) A physics teacher takes some of the wire used to create the given circuit and uses it to make an electromagnet by wrapping it around an iron core and connecting it to a voltage source. Describe one way to increase the strength of the electromagnet.

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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.