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When using Fleming's Left Hand Rule to determine the direction of the force on an electron moving in a magnetic field, the velocity vector (V) is represented by the direction of your ___________.

thumb

index finger

middle finger

None of the above

User Aqueelah
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1 Answer

6 votes
thumb


If the forefinger represents the direction of the field and the second finger represents that of the current, then thumb gives the direction of the force.
User Macemers
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