A uniform magnetic field points into the page. A long, thin wire goes horizontally to the right, then curves around clockwise to form a single circular loop of diameter 2.00 cm below the straight part of the wire. As the wire completes its loop, it continues to the right, with the wire coming out from the loop underneath the wire at the beginning of the loop. The leftmost point of the wire is labeled A and the rightmost point of the wire is labeled B. (a) The wire is quickly pulled taut, and the kink shrinks to a diameter of zero in 53.0 ms. Determine the average voltage induced between endpoints A and B. Include the polarity. magnitude      mV

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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.