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23 October, 08:29

Calculate the exposure time when an x-ray control panel is set at 200 mA and 15 mA.

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  1. 23 October, 11:04
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    Answer and Explanation:

    Exposure time in an X-ray can be Calculated as the difference of the two set levels.

    Therefore to calculate the exposure time:

    The difference of the two current levels is equal to exposure time

    (200mA - 15mA) = 185 mA

    Exposure time = 185 mA

    (There is a direct relationship between mA and time. Thus, a higher mA setting corresponds to a reduction in required exposure time).
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