a) Draw a labelled diagram of an x-ray tube with a stationary target. [3] b) If...
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a) Draw a labelled diagram of an x-ray tube with a stationary target. [3] b) If such a tube is operated at a constant voltage of 100 kV and a current of 50 mA for 0.1 s, approximately how much energy will be deposited as heat in the target and how much will be emitted as x-rays? c) Explain why an x-ray tube with a rotating anode can be operated at a higher tube current than a tube with a stationary anode and the same focal spot size. [2] [2] d) Describe the sequence of energy conversions that occurs within an x-ray image intensifier to produce a visible image. [3] a) Draw a labelled diagram of an x-ray tube with a stationary target. [3] b) If such a tube is operated at a constant voltage of 100 kV and a current of 50 mA for 0.1 s, approximately how much energy will be deposited as heat in the target and how much will be emitted as x-rays? c) Explain why an x-ray tube with a rotating anode can be operated at a higher tube current than a tube with a stationary anode and the same focal spot size. [2] [2] d) Describe the sequence of energy conversions that occurs within an x-ray image intensifier to produce a visible image. [3]
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