In the ON Position, the Line Switch on the Control

Q20: Which regulating device on the control panel

Q21: The metal housing of the tube head

Q22: The step-down transformer corrects fluctuations in the

Q23: X-rays originate at the:<br>A) cathode.<br>B) port.<br>C) focusing

Q24: That part of the cathode designed to

Q26: The intensity of the x-ray beam is

Q27: Dental x-ray machines may have controls for

Q28: The anode is the negative electrode (terminal)

Q29: Sixty (60) impulses is equivalent to:<br>A) 1/6

Q30: An x-ray beam composed of many different