Previous Year Very Short Questions of NFTL (DIPLOMA electronics and communication engineering 4th)

Networking, filters and transmission lines

Previous year question paper with solutions for Networking, filters and transmission lines

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  1. Propagation constant term is used in _______________.
  2. A two port network may have ______________ and __________ elements.
  3. Attenuators are used to _______________ the voltage, current or power.
  4. Variable attenuators have constant __________ and _________ impedances.
  5. A line works as ______________ filter.
  6. The characteristics impendence of distortion less line is ___________.
  7. In a transmission line, VSWR is a __________________ quantity.
  8. Butterworth filter has _________________ response.
  9. For high pas filters, pass band extends upto ______________.
  10. ______________ attenuator is used as volume control in communication receiver.
  11. ________________are the examples of passive elements.
  12. Characteristics impedance of symmetrical T network is given by_______________.
  13. One Neper is equal to ___________Db.
  14. Attenuators consist of resistors only.(T/F)
  15. High frequency filter cuts the high frequency.(T/F)
  16. R, L,G, C are the primary constants.(T/F).
  17. In a ____________filter, piezo-electric effect is used.
  18. Units of attenuators are ________________.
  19. Define infinite line.
  20. Define one port network.
  21. A network having a battery source in one of its arms is termed as ______.
  22. Characteristic impedance is a parameter used in_______.
  23. One neper is equal to_____.
  24. Bridge T-network can be used as _________.
  25. VSWR stands for _____.
  26. For a low pass filter the pass band starts from _________.
  27. Attenuators have application in_____ and _____circuits.
  28. In ideal filter should have______ attenuation in the pass band.
  29. A filter having two capacitors in its series arm and an inductor in shunt arm is_______.
  30. Attenuators consist of resistors only .(T/F)