The fig above shows a conductor PQ carrying a current I i...
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
settle in any direction
settle in a fixed direction only if the conductor PQ is a magnetic material
settle in a fixed direction WHETHER the conductor PQ is a magnetic material OR NOT
be stationary
Correct answer is C
No explanation has been provided for this answer.
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