Question2: A copper wire wrapped on a circular object with a radius of cm4 and the number of its turns N = 500 A winding immersed in a uniform magnetic field whose intensity increases over time by 0.2 T/sec Create The electromotive force induced in this wire, then calculate the induced current if you know that The surface of this coil is placed perpendicular to the magnetic field lines)

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A: Given : Currrent, I=3.8 A Magnetic flux density= B=14.1 T Angle, θ=210 Length of the wire, l= 20 mm

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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.