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Q.

Is it true that the current carrying wire will move to the South if the current flows through it in a vertically downward direction and the magnetic field is applied from the west to east direction?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
If the current in a wire is flowing vertically downward and a magnetic field is applied from west to east, the force in the wire will be in the south direction.
To determine the direction of force experienced by the wire, Fleming's left-rule will be applied. When the thumb, forefinger (or, index finger), and center finger (or, middle finger) of the left hand are held mutually perpendicular to one another, the forefinger represents the direction of the magnetic field, the center finger represents the direction of the current, and the thumb represents the direction of the force, according to Fleming's left-hand rule.
 
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