1) The total magnetic field to any current carrying conductor can be solved by a integration b laplacian c curl d differentiation 2) A charge is accelerated from rest through a potential difference. Which of the following is true? a The velocity of the charge is directly proportional to the magnitude of the potential difference b The acceleration of the charge is directly proportional to the square root of the magnitude of the potential difference. c The acceleration of the charge is directly proportional to the magnitude of the potential difference d The answer cannot be found on the other choices 3) Electric fields can be sources of magnetic fields. When does this happen?  a. When the electric field is static and the charge in the said electric field is moving with uniform velocity b. When the electric field is static c. The answer cannot be found on the other choices.  d. When the electric field is static and the charge in the said electric field is moving with constant acceleration

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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.