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Chapter 6 Electromagnetic Wave Propagation MCQs

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1. . In electromagnetic waves the phase difference between electric field vector and magnetic field vector is?





2. . Electromagnetic waves are produced by





3. . The direction in which electromagnetic waves propagate is same as that of





4. . Which of the following has a minimum wavelength?





5. . The ultra-high frequency band of radio waves in the electromagnetic wave is used as in





6. . Which of the following electromagnetic wave is used in medicine to destroy cancer cells?





7. . For a perfect dielectric, which parameter will be zero?





8. . For a lossless dielectric, the attenuation will be





9. . In lossy dielectric, the phase difference between the electric field E and the magnetic field H is





10. . The intrinsic impedance is the ratio of square root of





11. . Skin depth phenomenon is found in which materials?





12. . In free space, the charge carriers will be





13. . In free space, which parameter will be unity?





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