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Class 12 Mcq

Class 12 Physics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

PhysicsIf the angle between the dipole moment and the electric field increases from 30° to 90°, what happens to the torque magnitude?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsWhich statement is correct for the translational motion of the centre of mass of a dipole in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the electric field becomes nonuniform, what may be true about the net force on a dipole?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsWhy are the magnitudes of the forces on the two charges of a dipole equal in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the direction of the electric dipole moment is identified incorrectly, which result may become wrong?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsAn electric dipole is slowly rotated in a uniform electric field. The external work done is equal to what quantity?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the potential energy of an electric dipole in a uniform electric field is maximum, what is the torque on it?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the potential energy of an electric dipole in a uniform electric field is minimum, what is the torque on it?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsWhen the torque on an electric dipole is maximum, what is the usual value of its potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsUnder which condition is the torque on an electric dipole zero but the equilibrium unstable?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsUnder which condition is the torque on an electric dipole zero and the equilibrium stable?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsWhen the angle between the dipole moment and the electric field is 60°, what fraction of the maximum torque acts on the dipole?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsWhen the angle between the dipole moment and the electric field is 30°, what fraction of the maximum torque acts on the dipole?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsThe angle between the dipole moment and the electric field is 60°. If p = 6 C m and E = 2 N/C, what is the potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsIf the angle between the dipole moment and the electric field is 60°, what is the dipole's potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsIf a dipole is released from the antiparallel position and allowed to rotate freely to the parallel position, what happens to its potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsWhat external work is required to rotate a dipole from the parallel position to the perpendicular position if its dipole moment is 5 C m and the electric field is 3 N/C?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsWhat external work is required to rotate an electric dipole from the parallel position to the antiparallel position when its dipole moment is 2 C m and the electric field is 7 N/C?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsThe dipole moment is 9 C m and the electric field is 2 N/C. What is the potential energy in the perpendicular position?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 11Easy PhysicsThe dipole moment is 7 C m and the electric field is 3 N/C. What is the potential energy in the opposite position?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 11Medium