Two long wires carry currents of 1₁ = 4 A and 12 = 5 A directed into the page as shown in the figure below, where d = 26 cm. Hints: Draw the (circular) magnetic field line due to each wire that intersects the point at which you want to determine the net magnetic field by using the "curl" RHR. 45-45-90 special right triangle. P X 1₂2 d- a. Determine the magnetic field at the midpoint between the two wires. Magnitude = Direction = d Magnitude = Direction = [0°, 360°). T degrees from the positive x-axis. b. Determine the magnetic field at the point P. T degrees from the positive x-axis, where 8 € 4

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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.