The figure shows a rectangular, 25-turn coil of wire, of dimensions 13 cm by 7.7 cm. It carries a current of 0.086 A and is hinged along one long side. It is mounted in the xy plane, at an angle of 30° to the direction of a uniform magnetic field of magnitude 0.53 T. Find the (a) x, (b) y, and (c) z components of the torque acting on the coil about the hinge line. Hinge line 0 (a) Number (b) Number (c) Number i i i Units Units Units <

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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.