Figure shows a small magnetised needle $P$ placed at a point $O$ . The arrow shows the direction of its magnetic moment. The other arrows show different positions (and orientations of the magnetic moment) of another identical magnetised needle $Q$ .
In which configuration the system is not in equilibrium?

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Solution

Any of the configuration except the magnets completely either completely parallel to each other or directing opposite to each other it will be in equilibrium.

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Similar questions

Q. Figure shows a small magnetised needle P placed at a point O. The arrow shows the direction of its magnetic moment. The other arrows show different positions (and orientations of the magnetic moment) of another identical magnetised needle Q. Which configuration corresponds to the lowest potential energy among all the configuration shown?

Q. Figure shows a magnetised needle

P

placed at a point

O

. The arrows show the direction of the magnetic moment. The other arrows show different positions (and orientations of the magnetic moment) of another identical magnetised needle

Q

. The dotted line represent a circle centre at the midpoint of

P

.
Which configuration in this system corresponds to stable equilibrium?

Q. A small magnetised needle

P

placed at point

O

and the arrow shows the direction of its magnetic moment. The other arrow shows different position and orientation of another identical magnets (

Q

). In which configuration the system is not in equilibrium?
(c) Which configuration corresponds to the lowest potential energy among all the configurations shown?

The figure shows the various positions [labelled subscripts] of small magnetised needles P and Q. The arrows show the direction of their magnetic moment. Which configuration corresponds to the lowest potential energy of all the configurations shown?

Q. The figure shows the various positions (labelled by subscripts) of small magnetised needles P and Q. The arrows show the direction of their magnetic movement.configuration corresponds to the lowest potential energy among all the configurations shown

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Figure shows a small magnetised needle P placed at a point O. The arrow shows the direction of its magnetic moment. The other arrows show different positions (and orientations of the magnetic moment) of another identical magnetised needle Q.In which configuration the system is not in equilibrium?

Any of the configuration except the magnets completely either completely parallel to each other or directing opposite to each other it will be in equilibrium.