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Chapter1 Electric Charges And Fields

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

PhysicsWhy is the acceleration of the center of a dipole considered zero in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsWhy does the external work done in slowly rotating a dipole in a uniform electric field not depend on the path?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Hard PhysicsIf the dipole angle with the electric field is sixty degrees and one hundred twenty degrees, what is the correct comparison of potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf a dipole makes sixty degrees with the field and the torque magnitude is known, how will the torque magnitude at one hundred twenty degrees compare?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsTorque on a dipole in a uniform electric field is related to the cross product of which quantities?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsPotential energy of a dipole in a uniform electric field is related to the dot product of which quantities?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsWhy is a dipole unstable when released opposite to a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf a dipole is at ninety degrees to the field and the field is suddenly reversed, what happens to the magnitude of torque?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsA dipole has maximum torque in a uniform electric field. If the field is doubled, what happens to the maximum torque?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsWhat is the potential energy of a dipole when it is along the direction of a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the magnitude of each charge is doubled and the separation is halved, what happens to torque in the same field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the separation between charges of a dipole is doubled in a uniform electric field, what happens to the torque at the same angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Easy PhysicsIn a uniform electric field, in which situation does the torque on a dipole reverse its direction?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIn which condition can a uniform electric field start rotational motion of a dipole but not translational motion?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Hard PhysicsFor a small angular displacement from stable equilibrium in a uniform electric field, torque on a dipole is approximately related to what?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Hard PhysicsIf the electric field itself rotates a dipole from one hundred eighty degrees to zero degrees, what is the work done by the field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Hard PhysicsWhat is the external work done in slowly rotating a dipole from ninety degrees to one hundred eighty degrees in a uniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Hard PhysicsA dipole has maximum torque in a uniform electric field. What is its potential energy at that instant?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsA dipole is placed in a uniform electric field such that its torque is zero but its energy is not minimum. What is the angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium PhysicsIf the dipole moment makes forty-five degrees with the field, how does the magnitude of its potential energy compare with the magnitude of minimum energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 11Medium