True or False 1. The force of attraction or repulsion between two magnetic poles s directly proportional to the strength of the poles. 2. The direction of the magnetic field at a given point is the direction that the South Pole of a compass needle would point when place at that point 3. Lines of flux start from a magnet in the N pole and flow towards the S pole 4. Moving electrons in atoms cause magnetic fields 5. The N and S pole push against each other.

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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.