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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 angle between dipole moment and field has sine zero and cosine negative one. Which position is this?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsThe angle between dipole moment and field has positive sine but zero cosine. Which conclusion is correct?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsIf a dipole is parallel to the field, why does a small displacement bring it back?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsIf dipole moment and field are opposite, why is the position unstable even though torque is zero?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsWhy does the vector form of torque show that torque is zero in the parallel position?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsWhich rule can be used to understand the direction of torque on a dipole in a uniform field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsWhy can net force on a dipole be nonzero in a nonuniform electric field?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsWhy does the centre of mass of a dipole not accelerate in a uniform field while the dipole can rotate?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsAn electric dipole is released freely in a uniform field with an initial angle of 135°. Toward which position will it tend to rotate?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe potential energy of an electric dipole is zero. If it is rotated slightly toward the opposite direction, what happens to its energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsThe potential energy of an electric dipole is zero. If it is rotated slightly toward the parallel direction, what happens to its energy?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the dipole-moment direction is mistakenly taken from the positive charge to the negative charge, why can the potential-energy conclusion be wrong?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsAn electric dipole in a uniform field has zero net force but rotates. Which physical idea explains this best?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the potential energy of an electric dipole is zero, which statement about its angle and torque is correct?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the torque on an electric dipole is zero and its potential energy is minimum, what is the dipole's position?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the torque on an electric dipole is zero and its potential energy is maximum, what is the dipole's position?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Medium PhysicsIf the angle of an electric dipole changes from 45° to 135° in a uniform field, which statement is correct?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsIf the angle of an electric dipole changes from 30° to 150° in a uniform electric field, which statement about torque and potential energy is correct?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsIf dipole moment becomes four times and field becomes half while angle changes from 60° to 120°, what happens to torque?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard PhysicsThe dipole moment is halved and the field is made ten times larger. The angle changes from 90° to 30°. How many times is the new torque compared with the old torque?Class 12Electric Charges and FieldsDipole in a Uniform External FieldLevel 12Hard