**Ranking from least to greatest work done: **Z, W, X, Y

**Explanation:**

The work done to move an electron between the two plates is given by

where

is the charge of the electron

is the potential difference between the plates

The potential difference between the plates can be written as

where

E is the magnitude of the electric field

d is the distance between the plates

Therefore, the work done on the electron can be written as

So we can rank the plates by work done by simply comparing the between the plates for each case:

W:

X:

Y:

Z:

Therefore, the ranking from least to greatest work done is:

Z, W, X, Y

Learn more about** electric fields:**

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