A vertical straight wire $40\mathrm{.}0$ cmcm in length carries a current. You do not know either the magnitude of the current or whether the current is moving upward or downward. If there is a uniform horizontal magnetic field of $0\mathrm{.}0450$ TT that points due north, the wire experiences a horizontal magnetic force to the west of $0\mathrm{.}0180$ NN$.$ Find the magnitude of the current.

Express your answer with the appropriate units.

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Part D

Find the direction of the current.

The current is traveling vertically upward.The current is traveling vertically downward.The current is traveling horizontally leftward.The current is traveling horizontally rightward.