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A short bar magnet placed with its axis at 30 degrees with uniform magnetic field of 0.16T experience a torque of magnitude of 0.032N-m. The potential energy of bar magnet in the stable equilibrium and in unstable equillibrium respectively:- (1) -0.064J,+0.064 (2)-0.032J,+0.032J (3)-0.016J,+0.016 (4)zero,zero

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