ASNT NDT III RT Practice Questions - ASNT NDT Level III Radiographic Testing (RT) Exam

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X-rays are produced when high-energy electrons strike a target inside the X-ray tube. What primarily determines the maximum energy of the resulting X-ray spectrum?

The filament current (mA) The peak accelerating voltage (kVp) The cooling rate of the anode The thickness of the tube window

Correct Answer:

The peak accelerating voltage (kVp)

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