**EC6503 TLWG Important Questions**

Anna University Regulation 2013 Electronic Communications Engineering (ECE) EC6503 TLWG Important Questions for all 5 units are provided below. Download link for ECE 5th SEM EC6503 TRANSMISSION LINES AND WAVE GUIDES Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.

**EC6503 TLWG Important Questions**

UNIT 1

TRANSMISSION LINE THEORY

PART-A

1. What is frequency distortion?

2. Calculate the load reflection coefficient of an open and short circuited line.

3. Briefly discuss the different between wavelength and period of sine wave.

4. Find the attenuation and phase shift constant of a wave propagating along the line whose propagation constant is 1.048 × 10ˉ⁴ 88.8⁰.

5. Define phase distortion?

6. What is meant by inductance loading of telephone cables?

7. What is the relationship between characteristic impedance and propagation constant? 8. What is meant by distortion less line?

9. For a symmetrical network, define propagation constant and characteristic impedance? 10. Define cutoff wave length.

11. The electric field in free space is given by E=50cos [10+Bx]ay v/m. find the direction of wave propagation constant

12. Draw the equivalent electrical circuit for a piezoelectric crystal?

13. Write the relationship between neper and decibel.

14. What is meant by infinite line?

15. Define delay distortion.

16. Write the expressions for the phase constant and velocity of propagation for telephone cable?

17. Define propagation constant.

18. State the significance of crystal filters in communication system.

19. Define wavelength of the line?

20. What is the significance of the reflection co efficient?

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Anna University 5th SEM ECE TLWG Important Questions

EC6503 TRANSMISSION LINES AND WAVE GUIDES Answer Key free download

Anna University ECE TLWG Important Questions Regulation 2013

EC6503 Answer Key, TLWG Unit wise Important Questions- ECE 5th Semester