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What is demodulation? Why is satellite c...

What is demodulation? Why is satellite communication necessary for TV signal?

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R G PUBLICATION-ELECTROMAGNETIC WAVES-EXERCISE
  1. The electric field of an e.m. wave is given by Ey= 40sin((2pi)/2x-2p...

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  2. How does a charge 'q' oscillating at certain frequency produce electro...

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  3. What is demodulation? Why is satellite communication necessary for TV ...

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  4. What is the basic difference between amplitude modulation and frequenc...

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  5. Write down the expression for the velocity of electromagnetic wave in ...

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  6. What percentage of power of AM wave is carried by the side bands for m...

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  7. How is the critical frequency related to maximum electron density in ...

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  8. How does a microwave oven work?

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  9. A plane EM wave moving with a velocity 3xx10^8m//s has an electric fie...

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  10. Fill in the blanks The speed of waves, according to Maxwell's equati...

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  11. What is the frequency of yellow light , If it's wavelength is 580 nm?

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  12. Fill in the blanks Sound waves in air are longitudinal waves of comp...

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  13. Fill in the blanks The sun is an important source of light.

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  14. are used in medicine to destroy cancer cells.

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  15. What is the most important prediction to emerge from Maxwell's equatio...

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  16. What is the missing term is Ampere's Circuital law?

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  17. What is conduction current.

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  18. What is displacement current?

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  19. Write the Ampere-Maxwell law.

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  20. What typed of waves are used in telecommunication?

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