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A current loop in a magnetic field
  • a)
    can be in equilibrium in two orientations, both the equilibrium states are unstable
  • b)
    can be in equilibrium in two orientations, one stable while the other is unstable.
  • c)
    experiences a torque whether the field is uniform or non uniform in all orientations.
  • d)
    can be in equilibrium in one orientation.
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A current loop in a magnetic fielda)can be in equilibrium in two orie...
When a current loop is placed in a magnetic field it experiences a torque. It is given by
Where is the magnetic moment of the loop and is the magnetic field.
or τ = MBsinθ where θ is angle between and
When, and are parallel (i.e. θ = 0°) the equilibrium is stable and when they are antiparallel (i.e. θ = π) the equilibrium is unstable.
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A current loop in a magnetic fielda)can be in equilibrium in two orientations, both the equilibrium states are unstableb)can be in equilibrium in two orientations, one stable while the other is unstable.c)experiences a torque whether the field is uniform or non uniform in all orientations.d)can be in equilibrium in one orientation.Correct answer is option 'B'. Can you explain this answer?
Question Description
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