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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