Question: In an electron microscope, the charge carriers must move from a source and sample. If those are 1.03 x 10 in number and moving

In an electron microscope, the charge carriers must move from a source

In an electron microscope, the charge carriers must move from a source and sample. If those are 1.03 x 10" in number and moving into a sample with a speed of 0.5 seconds. The voltage difference developed between source and sample is 10 volts. What would be the distance in nm between the source and the sample? Assume tunneling constant as 1.5 x 10".

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