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#11: What is the maximum energy of the emitted x-ray photons?

A: 70 x 10^3 j B: 1.1 x 10^-11j

C: 1.1 x 10^-14 j D: 1.6 x 10^-18j

Electrons
Vacuum
tube
Typical values for a dental x ray are a kVp of 70 (meaning a
peak voltage of 70 kV) and mAs of 7.5 (which comes from a cur-
rent of 10 mA for 0.75 s, for a total of 7.5 mAs). Assume these
values in all of the problems that follow.
Tаrget
electrode
Cathode
FIGURE VI.1

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