Kurukshetra University 2009 B.Tech Electronics and Communications Engineering Field and waves - Question Paper
FIELD AND WAVES
PAPER ET 210
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 The significance of ihe nurl of a vector Y
(tO What docs the divergence f a venliir signify ?
(l) Slate Stake's tbeoran and write its idmficunee. 5*3- 15
2. (a)i Derive Die Poissonrs equafians anti T.aplacti'ii-ttjuaEioits. S
tbj SlaLe and provempcrc's I,aw. 7
i. fa) Write a short nore on SMITH CHART.
(b} Derive boundary conrti tifins ftjr Lime varying Held.
(e> What is difference between standing wave and a propagating wave ? 5*3-15
r
\ fa) Ex[]laio Sjiell'5 Laws ofreflcclion and reftac-Licm. T/z
b) Whal is a surface wave V Whftt is the condiudn under which a uniform plane wave after pawning tiiiougha dielectric boundary a surface wave 'I T/i
5. (a) LJiLUHH: im parallel plane guide.
b) Rtcpress ihe vulture and currenc waves in a trfljisnusswjn line in LertftS of the forward and backward tmvellLEL waves.
(r i Cojnparc TijL TM wnri I'KM wavea. 35
6. (a) CaJeutarc the cuIlsIT IreLiueiauy for the dominant mode in &
reulajigular waveguide,
(b> What is gavily rmDnattjr ? WhuL is file resojianf frequency in a cavity resonator ? 7V5M 7'/t
*
%&>] C'onid.
/. (,a; wme u smm note oo Digit 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) Wavepixjpagaiion inccnductmgmedia
(cJ) Microwave antenna.
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