The magnetic field in a solenoid is B = (HNI)/d.Acircular wire of radius 12 cm is concentric with a solenoid of radius 3 cm and length d = 2 meter, containing 12000 turns. The current increases at a rate of 45 A/s. Part 1 What is the emf in the wire? Save for Later Attempts: 0 of 3 used Submit Answer Part 2 What is the non-Coulomb electric field in the wire? V/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.