Calculate the loss tangent when the dielectric constant in AC field is given by 3 + 2j.(a) (2/3)(b) (3/2)(c) (-3/2)(d) (-2/3)The question was asked by my college director while I was bunking the class.Question is from Electric Fields in Material Space in section Electric Fields in Material Space of Electromagnetic Theory

Calculate the loss tangent when the dielectric constant in AC field is

1.	Calculate the loss tangent when the dielectric constant in AC field is given by 3 + 2j.(a) (2/3)(b) (3/2)(c) (-3/2)(d) (-2/3)The question was asked by my college director while I was bunking the class.Question is from Electric Fields in Material Space in section Electric Fields in Material Space of Electromagnetic Theory
Answer» The correct ANSWER is (d) (-2/3) EASIEST explanation: The AC DIELECTRIC CONSTANT is given by εr = ε` – jε“, where ε` is the real part of AC dielectric and ε“ is the imaginary part of AC dielectric. The loss tangent is given by tan δ = ε“/ε` = -2/3.

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