The large filament may be not working properly. The milliamp selector may not be
ID: 58897 • Letter: T
Question
The large filament may be not working properly.
The milliamp selector may not be switching to the higher settings.
The exposure timer feedback system is not working properly.
The autotransformer contact switches for the kVp are failing to make contact.
Explanation / Answer
b. The milliamp selector may not be switching to the higher settings.
The function of milliamp selector is to measure the flow of current in the high-voltage circute, if the milliamp selector fail to switch to higher settings, the X-ray system fails.