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What is the name of the rule that determines the direction of magnetic field lines around a current-carrying straight conductor?
  • a)
    Left-hand thumb rule
  • b)
    Right-hand thumb rule
  • c)
    Left-hand finger rule
  • d)
    Right-hand finger rule
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
What is the name of the rule that determines the direction of magneti...
  • The correct answer is the Right-hand thumb rule, which helps in determining the direction of magnetic field lines around a current-carrying straight conductor.
  • When the thumb points in the direction of the current, the fingers wrap around the conductor in the direction of the magnetic field lines.
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