Defined as the study of the mind and its behavior, psychology has broad applications in the modern world. The psychology degree is popular: the American Psychological Association states that psychology is the fourth most common major among U.S. students. Aside from academia, research and clinical counseling, a wealth of employment options exist.
rotating anode. focal track made of tungsten -rhenium which spins on the copper anode rotor and has molybdenum backing because these metals conducts it draws the heat away from the anode. - because the anode is rotating the electrons dont hit at the same spot everytime so the anode does not over heat. focal spot.
Diagram showing cell for aluminium extraction. The diagram shows an aluminium oxide electrolysis tank. Both the negative electrode (cathode) and positive electrode (anode) are made of graphite, a form of carbon. Aluminium metal forms at the negative electrode and sinks to the bottom of the tank, where it is tapped off.