A 420 turn solenoid of length 38.0 cm and radius 3.10 cm carries a current of 4.90 A. Find the following.  (a) the magnetic field strength inside the coil at its midpoint (No Response) mT (b) the magnetic flux through a circular cross-sectional area of the solenoid at its midpoint (No Response) T · m2

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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.