# If the current in a wire is flowing in the vertically downward direction and a magnetic field is applied from west to east, what is the direction of force in the wire?

By applying Fleming's left-hand rule, we find that the force will act in the south direction.

Explanation

If the current in a wire is flowing in the vertically downward direction and a magnetic field is applied from west to east, then the direction of the force in the wire will be in the south direction.

Fleming's left-rule will be used here to find the direction of force experienced by the wire. According to Fleming's left-hand rule, when left hand's thumb, forefinger (or, index finger) and centre finger (or, middle finger) are held mutually perpendicular to one another, the forefinger represents the direction of the magnetic field, the centre finger represents the direction of the current and the thumb represents the direction of the force.

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Updated on: 10-Oct-2022

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