A non-magnetic lossy dielectric material with relative permittivity εr = 2.25 and conductivity σ = 10-4 mho/m is applied with electromagnetic wave of 2.5 MHz. What is the loss tangent?

A non-magnetic lossy dielectric material with relative permittivity ε

1.	A non-magnetic lossy dielectric material with relative permittivity εr = 2.25 and conductivity σ = 10-4 mho/m is applied with electromagnetic wave of 2.5 MHz. What is the loss tangent?
A.	0.32
B.	3.13
C.	11.11
D.	None of the above
Answer» B. 3.13

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A non-magnetic lossy dielectric material with relative permittivity εr = 2.25 and conductivity σ = 10-4 mho/m is applied with electromagnetic wave of 2.5 MHz. What is the loss tangent?

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