Instrumentation_Circuit & Generator

The main function of the X-ray generator is to

• Convert X-rays to visible light

• Convert electrical energy to X-rays

• Regulate image brightness

• Detect radiation intensity

The primary circuit of an X-ray machine includes:

• The X-ray tube

• The step-up transformer

• The mA meter

• The autotransformer

The filament circuit controls the:

• Tube voltage

• Focal spot size

• Tube current (mA)

• Exposure time

The function of a rectifier in an X-ray circuit is to:

• Convert AC to DC

• Convert DC to AC

• Reduce current flow

• Store electrical charge

Which component adjusts the kVp in an X-ray circuit?

• Filament transformer

• Step-down transformer

• Autotransformer

• Rectifier

The high-voltage transformer operates on:

• Direct current

• Alternating current

• Pulsed DC

• Static electricity

The step-down transformer is located in the:

• Filament circuit

• Secondary circuit

• High-voltage circuit

• Control panel

The mA selector in an X-ray unit is connected to the:

• Autotransformer

• Filament circuit

• Secondary circuit

• Rectifier

Full-wave rectification produces how many pulses per AC cycle?

• 1

• 2

• 4

• 6

The timer circuit in an X-ray generator controls the:

• Tube current

• Exposure duration

• Focal spot

• Filament temperature