Exam-style question
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What is the effect of increasing the current in a conductor placed in a magnetic field?.
- A.The force on the conductor decreases
- B.The force on the conductor remains the same
- C.The force on the conductor increases
- D.The conductor becomes neutral
Model answer
What a good answer should say
- The force on the conductor increases
Explanation
Why this works
According to the formula F = BIL, where F is the force, B is the magnetic flux density, I is the current, and L is the length of the conductor in the magnetic field, increasing the current (I) will result in a proportional increase in the force (F) acting on the conductor.
Common mistake
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