### EC6602  AWP 2marks-16marks

Anna University Regulation 2013 Electronic Communications Engineering (ECE) EC6602  AWP 2marks & 16marks for all 5 units are provided below. Download link for ECE 6th SEM EC6602  ANTENNA AND WAVE PROPAGATION  Short answers, Question Bank are listed down for students to make perfect utilization and score maximum marks with our study materials.

EC6602   ANTENNA AND WAVE PROPAGATION

QUESTION BANK

UNIT-I

2-marks

1. Define the following parameters w.r.t antenna:
2. Beam area.
4. Directivity.
5. Gain.
7. Directive gain.
8. Hertzian dipole.
9. Power gain.
10. Efficiency.
11. Power density.
2. With the help of neat diagrams explain the principle of radiation in antennas.
4. Draw the radiation pattern of: (i) Directional antenna. (ii) Isotropic antenna.
5. Explain different types of aperture.
6. Define aperture of an antenna and find its relation with directivity.
7. Explain effective height of an antenna.
8. Derive an expression for power radiated by an isotropic antenna.
9. Derive the relation between directivity and beam solid angle.
10. Derive the relationship between radiation resistance and efficiency.
11. Derive an expression for field intensity at a distant point.
12. Write short notes on: (a) Fields of an oscillating dipole(b) Antenna field zones.
13. Show that an isotropic radiator radiating 1 KW power gives a field of 173mv/m at a distance of 1 Km.
14. Find the directivity of an antenna having radiation resistance of 72 Ω and loss resistance of 12 Ω and a gain of 20.
15. What is the maximum effective aperture of a microwave antenna which has a directivity of 900?
1. A radio station radiates a total power of 10KW and a gain of 30. Find the field intensity at a distance of 100Km from the antenna. Assume free space propagation.
2. Calculate the length of half wave dipole antenna meant to have wavelength at 60MHz.
3. Calculate the gain of an antenna with a circular aperture of diameter 3m at a frequency of 5GHz.
4. An antenna radiates a total power of 100W in the direction of maximum radiation, the fieldstrength at a distance of 10Km was found to be 12mV/m. What is the gain of the antenna?
Assume free space propagation. If η=90% find directivity.
5. An antenna has a radiation resistance of 72Ω loss resistance of 8ƒ Ω power gain of 12dB.Determine the antenna efficiency and directivity.

EC6602  AWP Unit 1 2marks & 16marks Part -1  – Download Here
EC6602  AWP Unit 1 2marks & 16marks Part -1  – Download Here
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