A sample of HCl gas is placed in an electric field of 2.5 x 104 N/C. The dipole moment of each HCl molecule is 3.4 x 10-30 C-m. Find the maximum torque that can act on a molecule.
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A electric dipole is placed at an angle of 30º to a nonuniform electric field.
(d) In a nonuniform electric field, the dipole will experience a torque as well as a translational force.
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An electric dipole is placed in a uniform electric field.
(a) is always zero
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An electric dipole is placed in an electric field generated by a point charge.
(d) The torque on the dipole due to the field may be zero.
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An electric dipole is placed at the centre of a sphere.
The correct answer is aa(A) (C) (a) The flux of the electric field through the sphere is zero. (c) The electric field is not zero anywhere on the sphere.
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In which orientation, a dipole placed in a uniform electric fields is in (i) stable, (ii) unstable equilibrium?
(i) In stable equilibrium the dipole moment is parallel to the direction of electric field (i.e., θ = 0). (ii) In unstable equilibrium P.E. is maximum, so θ = π so...
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Calculate the amount of work done in rotating a dipole, of dipole moment 3 x 10^-8cm,
P = 3 x 10-8cm ; E =104N/C At stable equilibrium (θ1 ) = 0° At unstable equilibrium (θ2) =180° Work done in rotating dipole is given by: W = PE (cosθ1 - cosθ2 ) =...
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Calculate the amount of work done in rotating a dipole, of dipole moment 5 x 10^-8cm,
Dipole moment P =5 x10-4Cm. Electric field (E) =104N/C At stable equilibrium θ1 = 0° At unstable equilibrium θ2 =180° Work done = - PE (cosθ2 - cosθ1) = -(5 x 10-8 ) (104 )...
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Define dipole moment of an electric dipole. Is it a scalar or a vector?
Dipole moment of an electric dipole is the product of either of charge and the length of dipole. It is a vector quantity. vector P = q(2vector a)
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Define: Dipole-Dipole Forces
Dipole-dipole forces: The force of attraction which acts between two molecules having permanent dipoles.
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Give one example for each of the following types of inter-particle forces (a) London dispersion forces (b)Dipole-Dipole forces
(a) noble gases. (b) between HCl molecules. (c) Between water molecules or HF molecules. (d)Between NO3 - and water molecules
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