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Class 12 · Physics
→If the dipole moment and the external electric field are in opposite directions, which statement is correct?
Class 12 · Physics
→If the dipole moment and electric field are in the same direction, which statement about torque and potential energy is correct?
Class 12 · Physics
→What directional relation is shown by the vector form of torque on a dipole in a uniform electric field?
Class 12 · Physics
→If the dipole moment becomes half and the electric field becomes four times, what happens to the magnitude of energy at the same angle?
Class 12 · Physics
→If the dipole moment is doubled and the electric field is tripled while the angle remains the same, what happens to the torque and the magnitude of potential energy?
Class 12 · Physics
→A dipole is in unstable equilibrium. When it is slightly displaced, what is the nature of the torque?
Class 12 · Physics
→A dipole is in stable equilibrium. When it is rotated through a very small angle, what is the nature of the torque?
Class 12 · Physics
→The net force on a dipole in a uniform electric field is zero. If it is placed at an angle, what causes its rotation?
Class 12 · Physics
→What is the change in energy when a dipole is rotated from 30° to 150° if the product of dipole moment and field is 20 J?
Class 12 · Physics
→If the angle between the dipole moment and the electric field changes from 60° to 120°, what happens to the sign of potential energy?
Class 12 · Physics
→If the angle between the dipole moment and the electric field changes from 60° to 120°, what happens to the magnitude of torque?
Class 12 · Physics
→At which angle is the potential energy of a dipole positive while its torque is also nonzero?
Class 12 · Physics
→At which angle is the torque half of its maximum value and the potential energy equal to negative √3/2 times the maximum energy magnitude?
Class 12 · Physics
→What external work is required to rotate a dipole from the parallel position to 120° if its dipole moment is 2 C m and the field is 6 N/C?
Class 12 · Physics
→A dipole has moment 4 C m in a field of 10 N/C. What is its potential energy when the angle is 60°?
Class 12 · Physics
→A dipole has moment 6 C m in a field of 5 N/C. What is its potential energy when the angle between the dipole moment and field is 120°?
Class 12 · Physics
→A dipole has moment 10 C m. If its maximum torque is 70 N m, what is the electric field?
Class 12 · Physics
→The maximum torque on a dipole is 40 N m. If the electric field is 5 N/C, what is the dipole moment?
Class 12 · Physics
→A dipole has moment 8 C m and is placed in a field of 3 N/C. If the angle between them is 60°, what is the torque?
Class 12 · Physics
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