A single wire in the shape of a circle of radius 20 cm is carrying a current of 1.8 amps. The wire lies in the xy plane. If the wire is located within a uniform magnetic field of magnitude 0.6 Tesla, what is the net torque on the loop if 1. the magnetic field is oriented parallel to the +x axis Torque = ______________Nm 2. the magnetic field is oriented to the +z axis Torque = _______________Nm 3. the magnetic field is oriented in the xy plane at an angle of 180 degrees from the +x axis. Torque = ____________Nm

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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.