Question: What kind of current and voltage sensitivity is required to observe the integer quantum Hall effect? To answer this, suppose that a typical structure is

What kind of current and voltage sensitivity is required to observe the integer quantum Hall effect? To answer this, suppose that a typical structure is 1 micron in width, and a Hall voltage of 10 μV is observed. What current does this correspond to, in amperes, for the first Landau level?

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