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प्रश्न
A compass is used for ______.
पर्याय
plotting magnetic lines
detection of magnetic field
navigation
All of these
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उत्तर
All of these
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संबंधित प्रश्न
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A wire placed along north south direction carries a current of 5A from south to north. Find the magnetic field due to a 1m piece of wire at a point 200 cm north east from the piece.
