The infinite, straight wire shown in the figure below carries a current I1 = 2 A. The rectangular loop, whose long sides are parallel to the wire, carries a current I2 = 4 A. All parts of the loop and wire are in the same plane. What is the force on the rectangular loop due to the magnetic field of the wire if a = 0.03 m and b = 0.02 m? (you must also find the direction)

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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.