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Class 12 · Physics · Hard
→If the potential energy of an electric dipole in a uniform field is zero, which statement about its angle and torque is correct?
Class 12 · Physics · Hard
→If the torque on an electric dipole is zero and its potential energy is minimum, what is the position of the dipole?
Class 12 · Physics · Hard
→If the torque on an electric dipole is zero and its potential energy is maximum, what is the position of the dipole?
Class 12 · Physics · Hard
→If the angle of an electric dipole with a uniform electric field changes from 45° to 135°, which statement is correct?
Class 12 · Physics · Hard
→If the angle of an electric dipole with a uniform electric field changes from 30° to 150°, which statement about torque and potential energy is correct?
Class 12 · Physics · Hard
→If the dipole moment becomes three times and the electric field becomes half its original value, while the angle changes from 60° to 120°, what happens to the torque?
Class 12 · Physics · Hard
→The dipole moment is halved and the electric field is increased eightfold. If the angle changes from 90° to 30°, how many times is the new torque compared with the old torque?
Class 12 · Physics · Hard
→The dipole moment is doubled and the electric field is tripled. If the angle changes from 30° to 60°, how many times does the new torque become compared with the old torque?
Class 12 · Physics · Hard
→For an electric dipole, pE = 32. If the torque is 16 and the potential energy is positive, what is the angle?
Class 12 · Physics · Hard
→For an electric dipole, pE = 16 J. If the torque is 8 J in magnitude and the potential energy is negative, what is the angle?
Class 12 · Physics · Hard
→The product pE for an electric dipole is 28 J. If its potential energy is +14 J, what can be the angle between the dipole moment and the electric field?
Class 12 · Physics · Hard
→The product pE for an electric dipole is 20 J. If its potential energy is −10 J, what can be the angle between the dipole moment and the electric field?
Class 12 · Physics · Hard
→At which angle is the torque on an electric dipole equal to √3/2 of its maximum value while its potential energy is negative?
Class 12 · Physics · Hard
→At which angle is the torque on an electric dipole equal to √3/2 of its maximum value while its potential energy is positive?
Class 12 · Physics · Hard
→At which angle is the torque on an electric dipole equal to half its maximum value while its potential energy is negative?
Class 12 · Physics · Hard
→At which angle is the torque half of its maximum value while the potential energy of the dipole is positive?
Class 12 · Physics · Hard
→The angle between the dipole moment and the electric field is 45°. What is the ratio of the torque magnitude to the magnitude of the potential energy?
Class 12 · Physics · Hard
→If the torque on a dipole is √2/2 times its maximum torque and its potential energy is positive, what is the angle between the dipole moment and the electric field?
Class 12 · Physics · Hard
→If the torque on a dipole is √2/2 times its maximum torque and its potential energy is negative, what is the angle between the dipole moment and the electric field?
Class 12 · Physics · Hard
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