Thapar University 2007 B.E ec 008 awp - Question Paper
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THAPAR UNIVERSITY PATIALA
ELECTRONICS AND COMMUNICATION ENGINEERING DEARTMENT
THAPAR UNIVERSITY, PATIALA \3
Electronics and Communication Engineering Department EC- 008(AWP) MST-1 BE (ECE) Final Year
Max Marks: 24 Time allowed: lHr.
Name of Instructor: Ankush Kansal Note:
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Attempt all questions.
Assume suitable data if required.
All notations/characters carry their usual meanings. |
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Q.l) |
Determine the Constant a, b, and c so that A= i (x + 2y +az) + j (bx-3y-z) + k (4x + cy + 2z) is Irrotational. |
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Q.2) |
Find the Divergence of B = i x1z - j 2yV + k xy2z At Point (1,-1,1). |
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Q.3) |
Calculate the Gain of Antenna with Circular aperture of Diameter 3 m at a frequency of 5 MHz. ( Assume K=l) |
4 |
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Q.4) |
The Radiation Resistance of an Antenna is 100 ft and a loss resistance of 20 ft. Calculate the Directivity of this antenna if it has Power Gain of 10 db. |
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Q.5) a. b. |
Draw and Explain the Radiation Pattern of Biconical Antenna.
Drive the Current Voltage relationship for Yagi Uda antenna with only 2 conductors. |
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