1. A particle has charge q = 0.100 C and mass m 100 grams. It is first accelerated from rest through a potential difference of 200 V and then it passes undeflected through a velocity selector consisting of perpendicular electric and magnetic fields. The electric field in the velocity selector is 100 V/m. What is the magnetic field in the velocity selector (in T)? (A) 2.00 (B) 0.750 (C) 3.50 (D) 4.30 (E) 5.00 (F) 6.00

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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.