$n$ electrons, each carrying a charge $e^{-}$ , are flowing across a unit cross-section of a metallic wire in unit time from east to west. So the direction of flow of electric current will be west to [[1]].

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Detailed Solution

n

electrons, each carrying a charge

e^{-}

, are flowing across a unit cross-section of a metallic wire in unit time from east to west. So the direction of flow of electric current will be west to east.
The current in an external electric circuit moves from the battery's positive terminal to its negative terminal. Conventionally, current moves opposite to how electric charges move (electrons). Therefore, the current always flows in the opposite direction to that of the electrons' motion. We can conclude from the question that the electron travels east to west. Therefore, the current will flow from west to east.

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