7. An electron travels at a constant speed of 2.75 x 10® m/s out of this page. It then enters a uniform magnetic field of magnitude 2.50 × 105 T that points towards the bottom of this page. a) What is the maximum magnitude of the magnetic force? N 8. b) What is the direction of the magnetic force? f19 oof19 oof19 oof10o 19 oof19 towards the top of this page O into this page towards the right of this page out of this page towards the bottom of this page towards the left of this page f19 oof19 oof19 oof19 oof19 oo9 oof19 oofl9 oof

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Q: An unusual lightning strike has a vertical portion with a positive current of +400 A upwards. The…

A: Given : I = +400 A B = 30 uT = 30 x 10-6 T L = 15 m

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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.