© Sketch the magnetic field lines produced by a single loop of conductor carrying a current. The sketch should include the direction of the current, the corresponding direction of the magnetic field lines and the North and South poles. ) Calculate the magnetic flux density if a flux of 100 µWb passes through an area of 20 cm². i) Calculate the flux if a magnetic field of 4 mT passes through an area of 25 mm². ✓) Calculate the area if a flux of 0.05 Wb produces a magnetic field of 1 mT.

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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.