The 12-cm-long, zero-resistance metallic rod shown in the figure is pushed toward the 1.52 resistor at a steady speed of 40 cm/s. The depicted magnetic field strength is 0.65 T. (a) What is the magnitude of the pushing force? (b) What is the direction (you must justify) and the magnitude of the induced current? (c) How much power is dissipated in the resistor? Zero-resistance wires Push 1.5 Ω 0.40 m/s 0.65 T

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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.