Multiple Choice
Which of the following exposure factors produces the same amount of remnant radiation as does 20 mAs at 70 kVp?
A) 10 mAs @ 70 kVp.
B) 10 mAs @ 81 kVp.
C) 40 mAs @ 60 kVp.
D) 10 mAs @ 81 kVp and 40 mAs @ 60 kVp.
Correct Answer:

Verified
Correct Answer:
Verified
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