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The fig above shows a conductor PQ carrying a current I in the direction shown. At a ...



The fig above shows a conductor PQ carrying a current I in the direction shown. At a particular position near the conductor is a compass needle K. Neglecting the earth's magnetic field, the compass needle will
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  • A Settle in any direction
  • B Settle in a fixed direction only if the conductor PQ is a magnetic material
  • C Settle in a fixed direction WHETHER the conductor PQ is a magnetic material OR NOT
  • D Be stationary
Correct Answer: Option C
Explanation:

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