II.C.31. Rate at which heat is produced in an x-ray tube.
___ ___ ___ ___ ___
A. roentgen
B. rad
C. rem
D. gray
E. sievert
F. coulomb/kg of air
G. curie
H. becquerel
I. roentgen-cm2
J. joules
K. watts
L. watts/cm2
M. heat units
