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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।

PhysicsUnder which condition is the torque on a dipole zero while the equilibrium is unstable?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsUnder which condition is the torque on a dipole zero while the equilibrium is stable?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe angle between the dipole moment and the electric field is 60 degrees. What fraction of the maximum torque acts on the dipole?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe angle between the dipole moment and the electric field is 30 degrees. What fraction of the maximum torque acts on the dipole?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe angle between the dipole moment and the electric field is 60 degrees. If the dipole moment is 8 C m and the field is 2 N/C, what is the potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe angle between the dipole moment and the electric field is 60 degrees. What is the dipole's potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf a dipole is allowed to rotate freely from the opposite position to the parallel position, what happens to its potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsWhat external work is required to move a dipole from the parallel position to the perpendicular position if its dipole moment is 6 C m and the electric field is 2 N/C?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsWhat external work is needed to rotate a dipole from the parallel position to the opposite position if its dipole moment is 3 C m and the electric field is 5 N/C?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsA dipole is antiparallel to a uniform electric field. If it is rotated slightly, what happens to its potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsA dipole is parallel to a uniform electric field. If it is rotated slightly, what happens to its potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsFor which angular condition is the potential energy of an electric dipole in a uniform electric field positive?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 11Medium PhysicsFor which angular condition is the potential energy of an electric dipole in a uniform electric field negative?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 11Medium PhysicsIf the dipole moment becomes half and the electric field becomes six times as large, what happens to the torque at the same angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the dipole moment is tripled and the electric field is made four times as large, how many times does the torque become at the same angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the dipole moment is doubled and the electric field is halved, how does the torque change at the same angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsWhat happens when an electric dipole is slightly displaced from unstable equilibrium in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsWhen a dipole is slightly displaced from stable equilibrium in a uniform electric field, in which direction does the torque act?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsAt what angle is the potential energy of a dipole zero and its torque maximum?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the angle between the dipole moment and the electric field increases from 90° to 180°, what happens to the torque magnitude?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium