physic 6
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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show | x-ray tube, operating console, high voltage generator
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show | in the exam room and the operating console in the adjoining room, seperated by a protective barrier
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Where is a high votage generator located | show 🗑
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What does the operating console allow the tech to control | show 🗑
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What does the operating console provide | show 🗑
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What voltage are electric circuits that connect the meter and controls on the operating console | show 🗑
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What does the line voltage compensator measure | show 🗑
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What does the line voltage compensator do | show 🗑
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What does radiation quantity refer to | show 🗑
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show | mR/mAs
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What does radiation quality refer to | show 🗑
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show | kVp;half-value layer
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How many windings does a autotransformer have | show 🗑
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show | precise voltage to the filament circuit and to the high voltage circuit
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show | autotransformer
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What is the equation for autotransformer law | show 🗑
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What does Vp represent? Vs, Np, Ns | show 🗑
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show | kVp
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show | mAs
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X-ray tube current is measured in | show 🗑
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What determines the number of electrons emitted by the filament | show 🗑
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show | thermonic emission
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show | filament current
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what is the cloud of electrons surrounding the filament | show 🗑
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show | high voltaage setion
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show | step down
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show | synchronous timer
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most accurate of all timers and allow a wide range of time intervals to be selected and are accurate to intervals as small as 1 ms | show 🗑
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what is the device that measures the quantity of radiation that reaches the IR | show 🗑
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show | falling-load generator
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on an AEC the electronic back up should be set at what | show 🗑
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show | step up transformer
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show | rectifier
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where are rectifiers located | show 🗑
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show | diodes
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show | high voltage transformer, filament transformer, rectifiers
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what appears as the voltage waveform supplied to the primary side of the high-voltage transformer, except the amplitude is much greater? | show 🗑
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a condition in which the voltage is not allowed to swing negatively during the negative half of its cycle, therefore only flows during the positive cycle | show 🗑
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what is responsible for increasing the output voltage from the autotranformer to the kVp necessary for x-ray production | show 🗑
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The negative half-cycle corresponding to the inverse voltage is reversed so that the anode is always positive | show 🗑
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show | exposure time for any given technique is cut in half
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What is caused by the alternate swing in voltage from zero to maximum potential 120 times each second | show 🗑
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show | none because of low energy and low penetraility
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multiple voltage wave forms are superimposed on one another, resulting in a wave form that maintains a nearly constant high voltage,never dropping to 0 | show 🗑
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what is the disadvantage of three phase power | show 🗑
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show | 6 pulse, 12 pulse
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what produces nearly constant waveform improving image, quality and lower pt dose | show 🗑
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what are advantages in high frequency generators | show 🗑
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what modalities use high frequency generators | show 🗑
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during exposure what is responsible for releasing the charge to form the x-ray tube current needed to produce the x-ray | show 🗑
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How are transformers and high voltage generators usually identified | show 🗑
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what is the lowest power rating of all generators | show 🗑
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the_____ voltage rating has the _______ power rating | show 🗑
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What is the turn ratio of high voltage transformers | show 🗑
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show | alternating
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show | diodes
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show | solid state semiconductors
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how many pulses/sec are produced for half wave rectification | show 🗑
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show | 120
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show | 360 (6 pulses per 1/60 sec)
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show | filament circuit
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what is the difference between primary and secondary waveforms | show 🗑
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What is the process of converting from ac to dc | show 🗑
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what is the means for characterizing voltage waveforms | show 🗑
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the _______ voltage ripple, the ________ radiation quantity and quality | show 🗑
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show | 14% (voltage supplied to tube never falls below 86% of max value)
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what is the voltage ripple for 3 phase 12 pulse | show 🗑
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show | 1% (most efficient method of x ray production with the lowest voltage ripple)
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show | 100%
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