Choose the correct relation between electric susceptibility (xc) and dielectric constant(K).
1) X = K+ 1
2) X = K- 1
3) Xc = Eo (K-1)
4) Both (2) & (3)
Answers
Answer:
2)X=K-1
Explanation:
Electric susceptibility ()
Dielectric constant(K).
Materials in which the induced polarization is proportional to the electric field are called linear dielectrics. The constant is called the dielectric constant K of the material. The presence of the dielectric material therefore reduces the electric field by a factor K.
For linear dielectric ∈ο
and dielectric D=∈ο*E+P (D=∈F)
D=∈ο*E+∈ο
∈F= ∈ο*E+∈ο
∈=∈ο+∈ο (K= ∈ / ∈ο)
∈ / ∈ο=1+
K=1+
=K-1
Where is electric suspatability
E= electric field
D= di electric
∈ and ∈ο are permitivity
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