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Fleming's Left Hand Rule

The diagram b...

Question

The diagram below shows a wire carrying conventional current in the direction shown by the red arrows.
The magnetic field is straight downward, as indicated by the blue X's.
What is the direction of the force exerted by the magnetic field on the wire?

A

Upward

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B

Downward

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C

Northward

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D

Southward

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E

Westward

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Solution

The correct option is B Downward
The direction of force on a current carrying conductor placed normal to a magnetic field is given by Fleming's left hand rule , if we apply this rule for the given diagram , the direction of force will be downward.

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