41. The diagram below shows på thermionic emission at the end of a heater element about to enter a magnetic field directed into the page. Magnetic field directed into page X X X X X X X X Heater element X X X X Particles from thermionic emission X X X X X X x X Upon entering the magnetic field, the negatively-charged particles will be deflected A) toward the top of the page B) toward the bottom of the page C) into the page D) out of the page 42. The diagram below represents magnetic lines of force within a region of space. Lines of Force A. B. The magnetic field is strongest at point A) A B) В C) C D) D

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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.