Here, a long, straight wire carries a current, I, of 3.0 A. A particle, q with a charge of +6.5 x 10-6 C, moves parallel to the wire in the direction shown, at a distance of r =0.050 m and a speed of v= 280m/s. Determine the magnitude and direction of the magnetic field experienced by the charge.

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Q: You are facing a loop of wire which carries a clockwise current of 3.0 A and which surrounds an area…

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Q: Find the value of work done is 240 J and displacement is 20 m, Find the force applied.

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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.