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Magnetometry and Earth's Magnetic Field - Class XI

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Multiple Choice

In both $\tan A$ and $\tan B$ positions in a Deflection Magnetometer,  the bar magnet is always placed

  1. parallel to the magnetic needle of the deflection magnetometer
  2. parallel to the aluminum pointer of the deflection magnetometer
  3. perpendicular to the aluminum pointer
  4. parallel to the arm having the wooden scale
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