If a 0.019 C charge is moving perpendicular to a 0.9 T magnetic field at 465 m/s, find the force on the charged particle. If a 7.7 A current runs in a 2.5 meter long wire in a perpendicular magnetic field of 2.4 T. Find the force on the wire. Find the force per length (F/L) between two long parallel wires, if they are 0.84 m apart and 11 = 44 A and 12 = 97 A.

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Q: example of your daily life involving magnetic forces and fields. Feel free to use pictures or videos…

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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.