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Class 12 · Physics · Medium
→Why is torque zero due to lines of action when a dipole is placed parallel to a uniform electric field?
Class 12 · Physics · Medium
→When a dipole is placed obliquely in a uniform electric field, how are the lines of action of the forces?
Class 12 · Physics · Medium
→What is the main difference between the behavior of a dipole in a non-uniform electric field and in a uniform electric field?
Class 12 · Physics · Medium
→Why are the magnitudes of forces on the two charges of a dipole equal in a uniform electric field?
Class 12 · Physics · Medium
→While rotating a dipole in a uniform electric field, at which angle are both torque magnitude and energy magnitude nonzero?
Class 12 · Physics · Hard
→If the magnitude of potential energy is half the magnitude of minimum energy and the energy is positive, what is the angle?
Class 12 · Physics · Hard
→If the angle between dipole moment and electric field is such that potential energy equals half of its minimum value, what is the angle?
Class 12 · Physics · Medium
→Which change is definitely sufficient to double the torque on a dipole in a uniform electric field if angle and dipole moment remain unchanged?
Class 12 · Physics · Hard
→If a dipole is displaced very slightly from stable equilibrium, which statement is correct?
Class 12 · Physics · Hard
→If a dipole is displaced very slightly from unstable equilibrium, which statement is correct?
Class 12 · Physics · Hard
→When a dipole is released from ninety degrees toward the field direction in a uniform electric field, which energy increases?
Class 12 · Physics · Hard
→The torque on a dipole in a uniform electric field is maximum. If the dipole moment is slightly rotated toward the field direction, what happens to torque magnitude?
Class 12 · Physics · Hard
→If a dipole is slowly rotated from zero degrees to ninety degrees and then slowly brought back from ninety degrees to zero degrees in a uniform electric field, what is the total external work?
Class 12 · Physics · Medium
→During the slow rotation of a dipole in a uniform electric field, on what is the external work independent?
Class 12 · Physics · Hard
→In small oscillations of a dipole in a uniform electric field, what happens to the angular frequency when the moment of inertia is increased?
Class 12 · Physics · Hard
→Which change increases the angular frequency of small angular oscillations of a dipole in a uniform electric field?
Class 12 · Physics · Hard
→If a dipole is displaced through a small angle from its stable position in a uniform electric field, on what does the restoring torque for rotational oscillation depend?
Class 12 · Physics · Easy
→An electric dipole is placed at an obtuse angle to a uniform electric field. What is the correct conclusion about its potential energy?
Class 12 · Physics · Easy
→An electric dipole is placed at an acute angle to a uniform electric field. What is the correct conclusion about its potential energy?
Class 12 · Physics · Hard
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