Now there are 5 charges. Calculate the net Electric field at P, which you can assume is on the axis. Notice that P is much further away now. a. If we set the condition on the placement of P in relation to the q's, what law would we use to calculate E? Write it out in words and/or equation. (HINT: Estimate Length o line "L", come up with a number of centimeters or meters) qi = +3µC 92 = -4µC q3 = +5µC q4 = -2µC qs = +9µC ri = 51cm r2 = 53cm r3 = 54cm r4 = 54cm Is = 50cm O1 = 05° 02 = 06° 03 = 10° 04 = 11° Os = 07° %3D %3D %3D %3D 94 q1 92 95 q3

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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.