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Each of the diagrams in Fig 6 represents two current-carrying conductors situated close to each...

Physics
JAMB 1983

Each of the diagrams in Fig 6 represents two current-carrying conductors situated close to each other. In which two diagrams are the forces between the two wires attractive?

  • A. I and V
  • B. I and III
  • C. II and IV
  • D. II and V
  • E. III and IV
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Correct Answer: Option B
Explanation

Two current-carrying conductors attract each other when the current is in the same direction and repel each other when the current is in the opposite direction. This can be verified using Fleming's left-hand rule.


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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