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What is attenuation in communication sys...

What is attenuation in communication system ?

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    OSWAAL PUBLICATION|Exercise Exercise|36 Videos

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OSWAAL PUBLICATION-Sample Paper 4-Exercise
  1. Define mean life of a radioactive element.

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  2. write the symbol of NAND gate .

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  3. What is attenuation in communication system ?

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  4. Write Coulomb's law in vector form and explain the terms.

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  5. Mention two limitations of Ohm's law.

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  6. Write any two differences between diamagnetic and paramaganetic substa...

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  7. Current in a coil falls from 5 A to 0 A in 0.1 s, calculate the induce...

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  8. Give two uses of UV rays.

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  9. Draw the ray diagram for the formation of image in case of a concave m...

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  10. Distinguish between extrinsic and intrinsic semiconductors.

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  11. Write the block diagram of a transmitter.

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  12. Derive the relation between electric field and electric potential.

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  13. Arrive at the expression for velocity selector using Lorentz force.

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  14. Mention any three salient features of Hysteresis loop.

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  15. Derive the expression for motional emf induced in a conductor moving i...

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  16. Mention one power loss in transformer.

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  17. Using Huygen's wave theory of light, show that the angle of incidence ...

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  18. Write Einstein's photoelectric equation. State clearly how this equati...

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  19. Explain the working of a zener diode as a voltage regulator.

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  20. Derive an expression for electric field due to an electric dipole at a...

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