By tracing the path of electrons through the bridge circuit, it is apparent that the polarity remains correct (cathode ... If a power line is available during exposure, either a conventional aquot;line-operatedaquot; or a capacitor-discharge mobile unit may be anbsp;...
|Title||:||Textbook of diagnostic imaging|
|Author||:||Charles Edgar Putman, Carl E. Ravin|
|Publisher||:||Saunders - 1994|