The number of electrons can be calculated from the relation:
The total amount of charge, ΔQ is obtained from the relation:
The relationship between speed, distance, and time is:
v = D/Δt
v = πd/Δt
The Stanford Linear Accelerator Center (SLAC) operated on electron storage ring about 72.0 m in diameter called SPEAR (closed in 2009), in which a circulating beam of electrons moved at nearly the spend of light.
Assuming that this electron beam had a current of I7 A, how many electrons were in the beam at any given movement?
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