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in a particular television picture the measured beam current is 60uA how many electrons strike the screen every second

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Answer:

1 ampere = 1 coulomb / sec = 1.6E19 electrons / sec

1 μamp = 1.0E-6 amperes

N = 60 μamp * 1.0E-6 amp / μamp * 1.6E19 electron / amp

N = 9.6E14 electrons

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