ISRO Electrical Engineering (EE) 2020 - Question 2

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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?

  • A. 0.32
  • B. 3.13
  • C. 11.11
  • D. None of the above

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