wool y does the balloon stick to the wall? e words in the left column to the appropriate blanks in the sentences on the right. charges polarizes neutralizes positively negatively repelled from attracted toward increases decreases larger smaller repulsive attractive Reset Hel the balloon. the balloon. But the than The balloon is charged negatively after being rubbed with wool. The charged balloon the wall. The nearer parts of the wall are charged and are charged and are The farther parts of the wall are electric force with distance, so the force on the nearer charge is the force on the farther charge. The result is a net balloon. force between the wall and the

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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.