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Class 12 · Physics · Hard
→How is the work done by an external agent in rotating a dipole from stable to unstable position in a uniform electric field?
Class 12 · Physics · Easy
→If the angle between the dipole moment and the uniform electric field is ninety degrees, what is the potential energy?
Class 12 · Physics · Medium
→In which position is the potential energy of an electric dipole maximum?
Class 12 · Physics · Medium
→In which position is the potential energy of an electric dipole minimum?
Class 12 · Physics · Medium
→Which is the unstable equilibrium position of an electric dipole in a uniform electric field?
Class 12 · Physics · Medium
→Which is the stable equilibrium position of an electric dipole in a uniform electric field?
Class 12 · Physics · Medium
→When is the torque on an electric dipole in a uniform electric field zero?
Class 12 · Physics · Medium
→What is the net force on an electric dipole placed in a uniform electric field?
Class 12 · Physics · Medium
→An electric dipole is placed in a uniform electric field at an angle with the field direction. When will the torque on it be maximum?
Class 12 · Physics · Medium
→Dipole moment is directed from negative to positive. If the field is directed from positive to negative, what angle should be taken?
Class 12 · Physics · Hard
→The angle between dipole moment and field has sine zero and cosine one. Which position is this?
Class 12 · Physics · Hard
→The angle between dipole moment and field has sine zero and cosine negative one. Which position is this?
Class 12 · Physics · Hard
→The angle between dipole moment and field has positive sine but zero cosine. Which conclusion is correct?
Class 12 · Physics · Hard
→If a dipole is parallel to the field, why does a small displacement bring it back?
Class 12 · Physics · Hard
→If dipole moment and field are opposite, why is the position unstable even though torque is zero?
Class 12 · Physics · Medium
→Why does the vector form of torque show that torque is zero in the parallel position?
Class 12 · Physics · Medium
→Which rule can be used to understand the direction of torque on a dipole in a uniform field?
Class 12 · Physics · Medium
→Why can net force on a dipole be nonzero in a nonuniform electric field?
Class 12 · Physics · Medium
→Why does the centre of mass of a dipole not accelerate in a uniform field while the dipole can rotate?
Class 12 · Physics · Hard
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