# The current of a beam of electrons, each with a speed of 900 m/s, is 5.00 mA. At one

## Problem 73 Chapter 38

Fundamentals of Physics, Volume 2 (Chapters 21 - 44) | 10th Edition

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Fundamentals of Physics, Volume 2 (Chapters 21 - 44) | 10th Edition

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Problem 73

The current of a beam of electrons, each with a speed of 900 m/s, is 5.00 mA. At one point along its path, the beam encounters a potential step of height 1.25 mV. What is the current on the other side of the step boundary?

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