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Importance of dipole moment and problems
The measurement of dipole moment helps in distinguishing between polar and non-polar molecules. Non-polar molecules have zero dipole moment while polar molecules have some value of dipole moment. For example: Non-polar molecules: O..
Dipole Moment - A Measure of Degree of Polarity
Molecules having two equal and opposite charges separated by certain distance are said to possess an electric dipole. In the case of such polar molecules, the centre of negative charge does not coincide with the centre of positive charge. The extent of polarity in such covalent molecules ..
Magnetic Dipole Moment of a Revolving Electron
The Bohr's atom model pictures the electrons to revolve around stationary heavy nucleus of change +ze. The moving electron constitutes a current where e is the electronic charge and T the time period of revolution. Also where v is its orbital velocity and the radius of the orbit. The small mag..
The Bohr's atom model pictures the electrons to revolve around stationary heavy nucleus of change +ze. The moving electron constitutes a current where e is the electronic charge and T the time period of revolution. Also where v is its orbital velocity and the radius of the orbit. The small mag..Principle of Moments
Clockwise moment and anticlockwise moment about 50 cm divisions are equal. Suggested answer : 20 x d = 40 x 20 Therefore, Hence the 20 N force of B is acting from 90 cm mark. Example 2: The illustration in figure below shows a uniform metre rule weighing 30 N pivoted on a wedge ..
Clockwise moment and anticlockwise moment about 50 cm divisions are equal. Suggested answer : 20 x d = 40 x 20 Therefore, Hence the 20 N force of B is acting from 90 cm mark. Example 2: The illustration in figure below shows a uniform metre rule weighing 30 N pivoted on a wedge ..The Field of an Electric Dipole
Electric field produced by a dipole is known as dipole field. Let +q and -q be equal and opposite point charges separated by a small distance 2l. The strength of an electric dipole is measured by a vector quantity known as electric dipole moment kn..
Electric field produced by a dipole is known as dipole field. Let +q and -q be equal and opposite point charges separated by a small distance 2l. The strength of an electric dipole is measured by a vector quantity known as electric dipole moment kn..The Current Loop as a Magnetic Dipole
>If the coil has N turns then where p m = NIA is called the magnetic dipole moment of the lo..
>If the coil has N turns then where p m = NIA is called the magnetic dipole moment of the lo..Potential energy of a dipole in a uniform electric field E
V = -p . E where 'p' is dipole moment..
Diatomic molecules
A diatomic molecule has two atoms bonded to each other by a covalent bond. In such a molecule, the dipole moment of the bond gives the dipole moment of the molecule. Thus, a diatomic molecule is polar if the bond formed between the atoms is polar. Greater th..
Antiferroelectric
If there is no net dipole moment it is said to be an antiferroelectric crystal. This is because the dipoles are alternately arranged. Example: (PbZrO 3 ) Lead zircona..
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