Alinear accelerator uses alternating electric fields to accelerate electrons to close to the speed of light. a small number of the electrons collide with a target, but a large majority pass through the target and impact a beam dump at the end of the accelerator. in one experiment the beam dump measured charge accumulating at a rate of -2.0 nc/s. how many electrons passed through the accelerator over 1.8 hours?

8.1 x 10^13 electrons passed through the accelerator over 1.8 hours.

Explanation:

The total charge accumulated in 1.8 hours will be:

Total Charge = I x t = (-2.0 nC/s)(1.8 hrs)(3600 s/ 1 hr)

Total Charge = - 12960 nC = - 12.96 x 10^(-6) C

Since, the charge on one electron is e = - 1.6 x 10^(-19) C

Therefore, no. of electrons will be:

No. of electrons = Total Charge/Charge on one electron

No. of electrons = [- 12.96 x 10^(-6) C]/[- 1.6 x 10^(-19) C]

No. of electrons = 8.1 x 10^13 electrons

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