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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।

PhysicsThe dipole moment is tripled and the electric field is made four times larger. The angle changes from 30° to 60°. How many times is the new torque compared with the old torque?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsThe product of dipole moment and field is 48. If torque is 24 and energy is positive, what is the angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe product of dipole moment and field is 24. If torque is 12 and energy is negative, what is the angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe product of dipole moment and field is 40 joule. If potential energy is 20 joule, what can be the angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe product of dipole moment and field is 28 joule. If potential energy is −14 joule, what can be the angle?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsAt which angle is torque root three by two of maximum torque and potential energy negative?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsAt which angle is torque root three by two of maximum torque and potential energy positive?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsAt which angle is torque half of maximum torque and potential energy negative?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsAt which angle is the torque half of its maximum value and the potential energy positive?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsThe angle between the dipole moment and the electric field is 45°. What is the ratio of the torque magnitude to the magnitude of the potential energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsIf the torque on a dipole is √2/2 times its maximum torque and its potential energy is positive, what is the angle between the dipole moment and the field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsIf the torque on a dipole is √2/2 times its maximum torque and its potential energy is negative, what is the angle between the dipole moment and the field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsWhat external work is needed to move a dipole slowly from stable equilibrium to unstable equilibrium if pE = 37 J?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsA dipole is allowed to move freely from unstable equilibrium to stable equilibrium. If pE = 42 J, what work is done by the electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsA dipole is allowed to rotate freely from 90° to 0°. What work is done by the electric field if the product of the dipole moment and field is 48 J?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsWhat external work is required to rotate a dipole slowly from the parallel position to 120° if the product of its dipole moment and the field is 30 J?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsWhat external work is required to rotate a dipole slowly from the parallel position to 60° if the product of its dipole moment and the field is 54 J?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsThe product of the dipole moment and the external electric field is 36 J. What is the potential energy of the dipole when the angle between them is 150°?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsIf the maximum torque is 108 N m and the dipole moment is 12 C m, what is the electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the maximum torque is 99 N m and the electric field is 11 N/C, what is the dipole moment?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium