The FLASH accelerator at the Deutsches Elektronen-Synchrotron* in Hamburg, Germany, generated a peak electron beam current of 9 mA in 2009. How many electrons passed through a cross section of this beam in one second?
A. 6e+16 electrons.
B. 7e+20 electrons.
C. 1e+28 electrons.
D. 1e+32 electrons.
Answer:A
The FLASH accelerator at the Deutsches Elektronen-Synchrotron* in Hamburg, Germany, generated a peak electron beam current of 9 mA in 2009. How many electrons passed through a cross section of this beam in one second?
A. 6e+16 electrons. B. 7e+20 electrons. C. 1e+28 electrons. D. 1e+32 electrons.