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Choose the correctly matched pair.
  • a)
    Magnetic Field Lines - Concentric Circles around a Current-Carrying Wire
  • b)
    Right-Hand Thumb Rule - Direction of Electric Current
  • c)
    Deflection of Compass Needle - Decreases with Increased Current
  • d)
    Magnetic Field Strength - Increases with Distance from Wire
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Choose the correctly matched pair.a)Magnetic Field Lines - Concentric ...
  • Option A: Magnetic Field Lines - Concentric Circles around a Current-Carrying Wire: Explanation: This is correctly matched. The concentric circles represent the magnetic field lines around a current-carrying straight wire. This pattern is formed when iron filings are sprinkled around the wire, indicating the presence of a magnetic field.
  • Option B: Right-Hand Thumb Rule - Direction of Electric Current - Incorrect: The Right-Hand Thumb Rule is used to determine the direction of the magnetic field around a current-carrying conductor, not the direction of the electric current itself.
  • Option C: Deflection of Compass Needle - Decreases with Increased Current - Incorrect: The deflection of the compass needle actually increases with increased current, indicating a stronger magnetic field.
  • Option D: Magnetic Field Strength - Increases with Distance from Wire - Incorrect: The magnetic field strength decreases as the distance from the current-carrying wire increases.
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Choose the correctly matched pair.a)Magnetic Field Lines - Concentric Circles around a Current-Carrying Wireb)Right-Hand Thumb Rule - Direction of Electric Currentc)Deflection of Compass Needle - Decreases with Increased Currentd)Magnetic Field Strength - Increases with Distance from WireCorrect answer is option 'A'. Can you explain this answer?
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