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only rhe P nSio is hravily doFd only tlE N Esron is heavilY doPd hlt P and N re8ios e li8hdy ddp€d
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A hau w5v€ E tiied sinsoidal wavefoifr h.s a ll€ak voltdge of 10 the tundamenial comPon€ni is :
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Its avdage valu€ ot
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d e.n ior @iuati6n is aPPli6bL to : (A) situ$idal6riLtoB G) asr.ble mtltivibratoE (D) all €irr'h (c) relabtion Gollah
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its
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Rc.drpled amPtfiet is use'las (A) pow{ anPlitier (c) bu(tu amPliiiq
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The Pn
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or
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als {hl'h of the
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(c) TF|lffiisbnG .mPlifi6 8.
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(A) CB
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Wltch ahong the followjng w not ilftct th€ dc pertumance ot t!€ op.adp (A) conmon mod. pl€ctid ratio (B) bandwidth (c) slaw nte (D) inpufteshran.e
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ComnuniotiM syrlems rhat do not u* moduLrion
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Which a'Mg DsaFC
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Choose ih€
co ecl ri€ne.r,
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14.
Granr ovelope modrLrion ? (C) SSB (D) FM
as a
AM
regardinS rht measuremenr or a sjnuroidal voltaSe
(B)
(c)
(D)
ueing
cRo the peak vokase aid uFins multimete! th. R.MS val@ en
A *ries RL.iruit takes 160 watts or supply. Th€ vah. ot R is: (A) 62.5 O (B) 30O
4*gy
b€ h€asur€d.
aI0.3 power ractor lagSrg rrem 100
(c)
4on
V
50 Hz
(D) 50o
Magtritude ol Ele.tric Field Intensiry in th€ deplcrion resion of an open circuited
(c)
unifornly distribured maximum
mdinum
(D) mnnum Drift
(A) (B) (C) (D)
16.
foll.wins Gn be tak6 (O Dsasc
powerlinecomnuni.arions
uqn8 cRo thc R.M \ vruF.dnbcmocurd osing cRO th. R.M.S value and 6ing nulbmerd the .v{age value can be m6$red. using cRo th€ averag€ value and using mulrim€rcr rhe maximum v6lue €n b€
(A) (B)
15,
are called :
(B) ba* rEnd comicarjons
(C) teresh.ial.onnuricalions (Dl 11.
?
A
.r
rhe juncrion
d
h€ F8ion mar rs'dc ar rh€ Fgion n6r N side
c@nt
in th. €mionductor depends lpon : only the al*hi. ri.ld only th€ €Eier concdrration both the €l{r.ic ficld and .afti.r otMr-arim !'@ oI the.bov€
znd
(a) (B)
diode whh used in volbge stabitization cinlts is biased in leyeM bias Egion below lhe br€akdoM voliage Evee brcakdown a..l birs reEion fotrard bias comtant on€nr EDde
(c) ro (D) 1sa/2014
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17.
(Al G) (c)
iun.ti.n ,n Photodiode n : foB.rd bia*d roruanl hir{d in lhe ensrant r]lj1el rgior eithet lotrard q ieveree biased
(D)
revese I'iaR'd
The PN
13. I{4ri.i MO6Iril amPlifid is b€sl suited lor high frequency aPPlications ? (D) sdKe (c) cc (B) cD iA) cs 19,
A pdiculat afdi.ilio. r€qui6 d. lwe! rdtontion oI ca be used frtr dc r.{oralon
si.usidal riSmle
(q pelr&€1d
20,
The npnt rsistancc oi a
(A) (B)
(c) (D)
cI
amPlifter can b€ in.taeerl by
!o regatile f€€dM.k
(cl 22,
:
:
..n
be
6ed
(B)
(A) HPF
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tht PrcPerrywhj'i i! not aPPli'al'le
(B) ( j'in d@itivit!' (D) Nois Fdudidn
G.in enhanccncnt Bandw th.lrension
Op adp inlegEtdr
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as
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sine (avc lo rquaE qav€
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t
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o
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k/ and
A non mve*'n8 a'nPltf'erwrth a Aa'n
(A)
(n)
indeasing ihe itPur b'as resstot in.ludlng t .oltlinS.apn.ltor al the i/l includinE in lnbyPassed resistan e in lic cmitt€r l€ad itrPasing lhc inPlt vollaS€
2r. SomproFii6 of ncSatile leedback e (A)
Iollowd
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rrcgudn.v)
Jrr lh.,eqibbB
(D) 9kll,1
and to th€ other
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26, A logi.al *pression in 3 variabl€s i! ro be impl€mdted usin8 a muljptex€r j.qlr=/(A, A, g. Tt€ nuttipler* ch*n h: (A) I I l Multiplder (B) 3: l Mrtriptqer (C) 4lMultiplerd (D) 16 i l Muhiplex€.
27.
(A) (B) (C) (D) 23.
d€
which has j nJinib ftis)| and rinire aveage powd inlinit€ lowo and finie ener8y tinile power and zrc oqgy tiniie m681, dd @ arera8e po@r
An ener8/ sigml is
A syerem
t sid
to be srabb
if:
(A) dery bounded inpur Eulrs in a bounded ourput (B) lrperpositin applies to that sFtefr (C) th. syslem is tine invdhnl (D) tlE output des nor b€gin befor. rhc nlp tundion aplli€.I 29-
The outpur ot
LI
stsr€m is egual ro rh.
:
(A) prod!.|ot imPtl* 6Fr and input sluft€ (B) snm of impul& Gpor .nd inpur s€q!6e
(C) mvolutio. or inpur and t!@rer tun $m (D) @nvolution or impul* Bpotu. and inPtr *qumc
30.
WlEr b the condido
rd *istene
oI
Folrir baftrm
or a
sigmt ,(r)
?
1A) IrsiSnalrO is absolurely inregrable (B) If signal j(4 rs penodk (c) rr signat:o isaPanodic (D) No sch cdditi@ exisls
31.
The
32,
A linite
trjgdmeEi( Ftui.' *ri6 ot an even tumrion dej nor have (^) dc r.rm (B) sie rem (q GnE l€m 1D) odd hamic rens
(A) (B)
(c) (D) 155/2Or4
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hso sided Fqucncc,s ROc EntiF z plane excepr z= 0 and z =s
:
h r dn8 Gmuld reBion) in th. z plare EntiE z pl,ne €xc€pt z =0 Inside 6 .ircle cmtding ongin
th€
:
rhe rcal,zation of LTI slt(ens, which ahong the rolldwing slaledenl is
33- Aboul
3r,
(A) (B)
IIR 6ystemc can be inplemmled Rusively onl] FtR s'st€hs cd be imPbmenled r
