alleryReversing the direction of the current reverses the needle's:
AObligation
BObservation
COrientation
DOscillation
Answer & Solution
Correct answer: C. Orientation
1. The needle responds to the direction of the current.
2. Reversing the current reverses the orientation of the needle.
3. So the correct answer is orientation.
_Source: syllabus Physics Part I, Ch 4 'Moving Charges and Magnetism'_
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