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Magnetic poles and magnetic compass - class-VII

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Multiple Choice

A DMM is arragned at the magnetic pole of earth in $\tan{A}$ position. If a bar magnet is placed at some distance from the needle, deflection is

  1. ${0}^{o}$
  2. ${90}^{o}$
  3. ${45}^{o}$
  4. ${180}^{o}$
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