jangyasinniTeacher
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To find the loss tangent ((tan delta)) when the dielectric constant in an AC field is given by 3 + 2j, we use the following relationship:
[
tan delta = frac{text{Imaginary Part}}{text{Real Part}} = frac{2}{3}
]
Therefore, the loss tangent for the given dielectric constant is (frac{2}{3}).
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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.