Mowat, Harold, 1883- · London : H. Frowde · leaf 26
c, theX-ray tube. The points of t can be moved back-wards and forwards. When a current is passed, there THE X-RAY TUBE 11 are two paths for it to take, one across the pointersand another through the tube. Obviously the onechosen is that of least resistance. If the current passes between the two… … Fig. 5. The Equivalent Spark-Gap .T T, Terminals, p p, Pointers, c, X-ray tube. between them in preference to going through thetube, is called the equivalent spark-gap . If thetube is hard, as it offers more resistance than normalthe current will pass more readily between thepointers, and even if…
X-rays
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