A circular loop made of copper wire with a diameter 0.96 mm is placed in a uniform magnetic field 0.274 T with field lines directed perpendicular to the loop plane. The shape of the loop is changed from circular to a square one. Find the total charge that flows in the conductor if the radius of the circular loop is 0.1 m. Use the copper resistivity 1.68E-8 Ohm⋅m.

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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.