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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।

PhysicsAn electric dipole is initially opposite 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 12Medium PhysicsAn electric dipole is initially 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 12Medium PhysicsFor an electric dipole in a uniform electric field, for which angular condition is its potential energy positive?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsFor an electric dipole in a uniform electric field, for which angular condition is its potential energy negative?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the dipole moment becomes half and the electric field becomes eight times larger, what happens to the torque at the same angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the dipole moment is tripled and the electric field is made five times larger, how many times does the torque become at the same angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium 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 12Medium PhysicsWhat happens when an electric dipole is slightly displaced from its unstable equilibrium in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsWhen an electric dipole is slightly displaced from its stable equilibrium in a uniform electric field, in which direction does the torque act?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsAt what angle is the potential energy of an electric dipole zero and its torque maximum?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium 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 12Medium 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 12Medium PhysicsWhich statement is correct for the translational motion of the centre of mass of an electric dipole in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the electric field becomes nonuniform, what may be true about the net force on an electric dipole?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium 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 12Medium PhysicsIf the direction of the electric dipole moment is identified incorrectly, which result may become incorrect?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsAn electric dipole is slowly rotated through a uniform electric field. The external work done is equal to what quantity?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium 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 12Medium 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 12Medium PhysicsIf the torque on a dipole is maximum, what is the usual value of its potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium