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Magnetic Properties of Matter question

2020 · 4 Sep · Shift 1 · Q58
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  5. /2020 · 4 Sep · Shift 1 · Q58

Magnetic Properties of Matter question

2020 · 4 Sep · Shift 1 · Q58

JEE MainPhysicsMagnetic Properties of MatterMCQ+4 / −1
A small bar magnet placed with its axis at 30o with an external field of 0.06 T experiences a torque of 0.018 Nm. The minimum work required to rotate it from its stable to unstable equilibrium position is :
  1. A
    6.4 ×\times× 10-2 J
  2. B
    9.2 ×\times× 10-3 J
  3. C
    7.2 ×\times× 10-2 J
  4. D
    11.7 ×\times× 10-3 J
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