Task id9750
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Task id9750
An electric current flows through a thread stretched in a tube with a high vacuum. In this case, electrons are emitted. The probability of the thread emitting electrons during a certain short period of time Δt is equal to p. Determine: the average charge Q emitted by the thread during time t, the charge dispersion (ΔQ2) during the same time, the ratio of the current dispersion (ΔI2) to the average current I, the standard deviation of the current.
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Detailed solution. Format jpg
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