(20%) Problem 5: A circular capacitor has parallel plates with radius R = 2.01 cm with a d = 0.158 cm gap between them. The capacitor is being charged by a 21.5 A current. 25% Part (a) What is the magnitude, in microtesla, of the magnetic field at a radial distance of 0.378 cm from the wire? B-11.3710(-4) Feedback: is available. B=0.001137 T X Incorrect!

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A: Solution b)t=8*10-6 sR=1.19*103 ohmq0=5.3*10-6 CC= 2*10-9 F--Charge after time t,

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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.