A circular loop of wire lies on a horizontal table and carries current in a counterclockwise direction as viewed from above. At this point, the Earth's magnetic field points to the north and dips below the horizontal plane. Which side of the coil tends to lift off of the table because of the torque caused by the current's interaction with the magnetic field? (a) east side (b) south side (c) west side (d) north side (e) none of the preceding

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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.