An electron enters a magnetic field with angle - relative to the direction of the field. Compare case A to case B, where the magnitude of the inbound velocity is the same, but the angle is different. a) Which of the following changes as the angle decreases? Radius r of the spiral trajectory Spacing (pitch) p between two adjacent cycles b) Now compare case A to case C, where the magnitude of the inbound velocity and the angle are the same, but the charge of the particle is different. What would change if the particle had positive charge instead of negative (same magnitude)? Radius r of the spiral trajectory Spacing (pitch) p between two adjacent cycles Direction of rotation of the spiral trajectory Calci

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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.