The government standard on radiation from electrical devices is 10mW/cm2 (maximum). Assume a laptop computer is found to radiate more than this standard. The electric field inside is measured to be 5 V/m. To meet the standard it is decided to make the laptop plastic case out of lossy material. The material has a dielectric constant of 5. What conductivity will produce a skin depth 3 mm, the thickness of the case, if the computer operates at 4 GHz? What is the loss tangent of the plastic you will order for making the case

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To ensure that the laptop computer meets the government standard on radiation the plastic case needs ... View the full answer