Demonstration 1: Draw in any forces acting on the magnets: Push the two magnets near each other and observe the results. Flip one of the magnets over and push them near each other again. Observe the results. Describe any observations: What is the Type of Force (Contact or Non contact): Name that Force: Demonstration 2: Draw in any forces acting on the can: Rub the balloon vigorously on your hair or your shirt. Bring it near a can which is layed down on its side. Observe the results. Describe any observations: What is the Type of Force (Contact or Non contact): Name that Force:

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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.