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Question

A vertical wire carrying current in the downward direction is placed in a horizontal magnetic field directed northwards. The direction of the force on the wire is ________.

A
Eastward
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B
Northward
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C
Upwards
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D
Westward
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Solution

The correct option is A Eastward
According to Fleming's Left-hand rule, stretch your left hand in such a way that; the middle finger in the direction of current flow (Vertically downward), index finger in the direction of magnetic field ( Northwards). The direction of thumb will show the direction of force acting on the conductor that would be in Eastward direction.
2092289_395768_ans_43618950e89c4e6ca8de476e7ce1b9fc.png

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