Kurukshetra University 2007 B.Tech Electronics and Communications Engineering Field and waves - Question Paper
Field and Waves 2007
Hull So...............................Total No. nf I'ages ; J
Ficl il and Waves Paper :KT 2I0
I ime Tiirse Hours] rMaxinmin Marta: 75
Note Attempt any KIV'KniuesiumH.
t (a) What is ihe significance of ihe nurl of a vector Y
(tO What docs the divergence [(f a veniiir sinif}1 ?
(l) Slate Stake's theorem and write its idmficuiiee. 5*3- 15
2. (a)i Derive Hie Poisson's aquarians and T.aplace'ii-euaEioits. S
tbj Stale and provejnpcrc's Law. 7
i. fa) Write a short note on SMITH CHART.
(b} Derive boundary ccmrti tifins ftjr Lime varying Held.
(c> What is difference between standing wave and a propagating wave ? 5*3-15
r
\ fa) Ex[]laio Sll'eU's Laws of reflection and reFrtlcLiun. T/z
b) Whal is a surface wave V Whftt is the condition under tvhich a uniform plane tiihvc after pawning through a dielectric boundary btsximes a surface wave T/i
5. (a) LJinLL'HH: tm parjllei plane guide.
b) RxpiicK.H ihe vLsltae and current waves in a trfljisnusswjn line in LerUdS of the forwaTid and backward tmvellLEL waves.
(r i Cojnparc TijL TM wnrt E'KM wavea. 5*3- 35
6. (a) CaJcutatc the cuIlsIT [retiueiauy for the dominant mode in &
rei;lajigu[ar waveguide,
(b> What is cavily reHDnattjr ? WltnL ia file resojianf frequency in k cavity resonator't 7V5M TA
*
%&>] C'onid.
/. (,a; write u smm note oo Mgti irequcncy ajltennas.
(b) Odiite }$aln, bandwidth, polarization of antenna.
TMT/>
5*3- 15
8. Wncc 3hoil notes on any three :
<a) Anteimamplmg
(H) Microstrip line
Cc) Wavepixjpagajion inccnductmgmedia
(cJ) Microwave antenna.
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