Exam-style question
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Which hand rule is used to determine the direction of the force on a current-carrying conductor in a magnetic field?.
- A.Right-hand rule
- B.Left-hand rule
- C.Fleming's right-hand rule
- D.Fleming's left-hand rule
Model answer
What a good answer should say
- Fleming's left-hand rule
Explanation
Why this works
Fleming's left-hand rule is used to determine the direction of the force on a current-carrying conductor in a magnetic field. According to this rule, if the thumb points in the direction of the force (motion), the first finger points in the direction of the magnetic field, and the second finger points in the direction of the current.
Common mistake
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