3 long, straight wires lie in the x-y plane and are placed parallel to the y axis. All 3 wires have length L = 670 m and carry current I = 7.2 A with these instructions: Wire 1 carries current along the +y axis, Wire 2 carries current along the -y axis, and Wire 3 carries current along the +y axis. The distance between Wires 1 and 3 is twice the distance between Wires 2 and 3. if the magnitude of the magnetic field set up by Wire 2 at the distance where Wire 3 is located is B = 8.0 T, (a) What is the magnitude of the magnetic field set up by Wire 1 at the distance where Wire 3 is located in T. (b) find out the magnitude and direction of the net magnetic force that acts on Wire 3 due to the magnetic fields set up by Wires 1 and 2 in N.

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Q: P d 12

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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.