Electronics and Communication Engineering - Materials and Components - Discussion
Discussion Forum : Materials and Components - Section 1 (Q.No. 9)
9.
Assertion (A): Electronic and Ionic polarization in a polyatomic gas are independent of temperature.
Reason (R): The orientation polarization is independent of temperature.
Answer: Option
Explanation:
Orientation polarization is inversely proportional to temperature.
Discussion:
6 comments Page 1 of 1.
Ijaz Ahmad said:
7 years ago
(i) Electronic polarization.
Here when the external field is applied, the electron clouds of an atom are displaced with.
Respect to the heavy nuclei within the dimensions of the atom. This is called electronic polarization.
It does not depend on temperature.
(ii) Ionic polarization.
It occurs only in some ionic crystals. In the presence of an external electric field the positive.
And negative ions are displaced upto the point where ionic bonding force stop this displacement.
Hence dipoles get induced. There also do not depend on temperature.
(iii) Orientational polarization.
It applies only in polar dielectric materials. Generally, in absence of external electric field.
Electric dipoles are so oriented randomly that their net effect becomes zero but in presence of the electric field, this dipole tries to rotate and align in the direction of electric field. This is known as orientation polarization which is dependent over temperature also.
Here when the external field is applied, the electron clouds of an atom are displaced with.
Respect to the heavy nuclei within the dimensions of the atom. This is called electronic polarization.
It does not depend on temperature.
(ii) Ionic polarization.
It occurs only in some ionic crystals. In the presence of an external electric field the positive.
And negative ions are displaced upto the point where ionic bonding force stop this displacement.
Hence dipoles get induced. There also do not depend on temperature.
(iii) Orientational polarization.
It applies only in polar dielectric materials. Generally, in absence of external electric field.
Electric dipoles are so oriented randomly that their net effect becomes zero but in presence of the electric field, this dipole tries to rotate and align in the direction of electric field. This is known as orientation polarization which is dependent over temperature also.
(5)
Ramesh said:
1 decade ago
What is orientation polarization?, please give me answer anyone.
(1)
Siddu B said:
1 decade ago
Polarization arising from the orientation of molecules which have permanent dipole moments arising from an asymmetric charge distribution. Also known as dipole polarization.
(1)
Bhargavi said:
6 years ago
Please explain briefly?
Bhargavi said:
6 years ago
What is polyatomic gas?
Sanjana said:
3 years ago
How to calculate the orientational polarizability of a water molecule at room temperature?
Where as the given dipole moment of the water molecule Is 1.9*10^29c.m.
Where as the given dipole moment of the water molecule Is 1.9*10^29c.m.
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