Question

4. A radiographic technique of 100mA at 1/4 s has been used. If one

changes to the 400 mA station, the appropriate exposure time for the
same mAs is:

Answer 1

awnser D. 1600 mA

Step-by-step explanation:

Ns/Np=Ip/Is

current is inverse

100/800=200/x

100x=160000

x=1600