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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।

PhysicsField lines of an electric dipole go from positive to negative, but in which direction is dipole moment?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 20Easy PhysicsWhy is dipole moment direction not taken from positive to negative?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 20Medium PhysicsIf the magnitude of charge in a dipole is made three times and the separation is made half, what happens to the dipole moment?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 20Easy PhysicsIn an electric dipole, if the distance between positive and negative charges is doubled while charge remains same, how does dipole moment change?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 20Easy PhysicsWhich statement correctly connects electric flux and an electric dipole?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Medium PhysicsFlux through a surface is found to be negative. What does this generally mean?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Medium PhysicsA dipole is placed perpendicular to a uniform electric field. In what way will it tend to rotate?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 19Medium PhysicsWhat is the best reason for treating dipole moment as a vector?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Easy PhysicsWhy is the electric-field direction different at the axial and equatorial points of a dipole?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Medium PhysicsWhy can electric flux not be understood only from the magnitude of the electric field?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Medium PhysicsThe electric flux through an open plane surface is zero. What can be one possible reason?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Medium PhysicsIf an entire electric dipole is placed inside a closed surface, what is the total electric flux through the surface?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Easy PhysicsWhy does a non-polar molecule not have a permanent dipole moment?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Easy PhysicsWhen a polar molecule is placed in an external electric field, what tendency can it show?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 19Medium PhysicsDipole field lines go from positive to negative. Why is the electric dipole moment defined from negative to positive?Class 12Chapter1: Electric Charges and FieldsElectric Flux and Electric DipoleLevel 19Medium PhysicsIf the electric field is doubled while the dipole moment remains unchanged, what happens to the torque at the same angle?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 19Easy PhysicsA dipole is placed in a uniform electric field. If its dipole moment increases while the angle remains unchanged, what happens to the torque?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 19Easy PhysicsWhy is external work required to rotate a dipole from stable equilibrium to unstable equilibrium?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 19Medium PhysicsWhen the dipole moment is opposite to the electric field, what is the dipole’s potential energy?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 19Medium PhysicsWhen a dipole is aligned with a uniform electric field, what is its electric potential energy?Class 12Chapter1: Electric Charges and FieldsDipole in a Uniform External FieldLevel 19Medium