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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।

PhysicsWhat is the SI unit of electric dipole moment?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Easy PhysicsWhen do the lines of action of forces on a dipole in a uniform electric field become the same line?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsHow are the magnitudes of the forces on the two charges of a dipole in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsWhen an electric dipole is released freely in a uniform electric field, what usually happens to its potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsThe external work done in rotating a dipole in a uniform electric field is equal to what?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsAt which angle is torque maximum while potential energy equals the reference zero value?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 10Medium PhysicsWhat is the sign of potential energy when a dipole makes an obtuse angle with the field?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 10Easy PhysicsFor a dipole placed at an angle with the field, when will its potential energy be negative?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 10Medium PhysicsIn a uniform electric field, at which position is the potential energy of a dipole usually taken as zero?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 10Medium PhysicsIn a uniform electric field, the net force on a dipole is zero. This does not mean that what must also be zero?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Hard PhysicsIf the electric field is non-uniform instead of uniform, which statement about the net force on a dipole can be true?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Hard PhysicsThe torque on a dipole in a uniform electric field is equal to which vector product?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsWhat happens when a dipole is slightly displaced from unstable equilibrium?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsWhen a dipole is slightly displaced from stable equilibrium, in which direction does the torque act?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsIn which position is an electric dipole in equilibrium but not stable in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsWhen a dipole is released from 90 degrees and moves toward 0 degrees in a uniform electric field, what is the work done by the electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Hard PhysicsA dipole is placed at 90 degrees to a uniform electric field. Which statement about its torque and potential energy is correct?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsWhich factor does the torque on a dipole in a uniform electric field not directly depend on?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Medium PhysicsAt what angle is the potential energy of an electric dipole in a uniform electric field zero?Class 12Electrostatic Potential and CapacitanceElectrostatic Potential and Potential EnergyLevel 10Medium PhysicsThe direction of electric dipole moment is conventionally taken from which charge to which charge?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 10Easy