How far from the starter cable of a car,

Q: I could really use some help on some questions! The problem is as follows: A thine wire of length…

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A: The expression for find minimum current needed to levitate the wire is F=BILsinθmg=BILsinθI=mgBLsinθ

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Q: A wire has a current of 45 A going into the page. What is the B field and direction 1.5 m to the…

A: current = i = 45 A distance = r = 1.5 m speed of proton = V = 5 m/s

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Q: Consider the two parallel wires as illustrated below that both carry a current of (3.8x10^0) mA…

A: This problem is from Magnetostatics (electrodynamics). Please have a good look

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Q: Consider a 150 turn square loop of wire 17.5 cm on a side that carries a 46 A current in a 1.75 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.