15. What is the direction of that force on the proton? Ans: B c. Into b. Down a. Up d. Left 16. If the currents remain the same as found in above, what will be the magnitude of the magnetic field for Point A (remember, this will be the result of both wires (don't forget to take account the directions of each B-field from each wire)? Ans: B |A. 1.66x10-$T B. 2.00x10°T |С. 3.00х10%T D. 4.00x10$T 17. What will be the direction of the B-field at Point A? Ans: B a. Into the page b. Out of the page 18. If a third current carrying wire is laid parallel to the original wires carrying a 5A current downward and passing through Point A, what will be the force per unit length on that wire (remember, there is a formula for the force on a current-carrying wire immersed in a magnetic field)? Ans: A A. 1.00x10“N В. 2.00х10-N C. 3.00x10“N D. 4.00x104N

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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.