r55 / 2074 (A) (B)

2,

(g

only rhe P nSio is hravily doFd only tlE N Esron is heavilY doPd hlt P and N re8ios e li8hdy ddp€d

(D)

Doih P

'nd

N

FAim N havilY doFd

lYhich ot th€ folowing tansistor

cdfitlFtion

A hau w5v€ E tiied sinsoidal wavefoifr h.s a ll€ak voltdge of 10 the tundamenial comPon€ni is :

V'

Its avdage valu€ ot

(D) !v

ic) tv

rB) -v

rA' ;v

d e.n ior @iuati6n is aPPli6bL to : (A) situ$idal6riLtoB G) asr.ble mtltivibratoE (D) all €irr'h (c) relabtion Gollah

4.

Bdkhtutm

5.

u/hich

allms

mt a. adv.ntag. ot rET dd Btt ? conEoll€d belEvidr (B) hith inPul inPedanc

the

lolloring

iB

olmt (g los noise (A)

its

(D)

6,

Rc.drpled amPtfiet is use'las (A) pow{ anPlitier (c) bu(tu amPliiiq

7,

It

a

sp*ific aPPlicaiion

rollNins.spn6d sn

(A)

RC

a

The Pn

{A)

*

d

ahPlifier d€mands b€tt'r b. chos6 ?

or

rso"

indued

by rhe

(B)

imunitv

to noise

als {hl'h of the

(B)

dtled ahPlifid sluft

hEh sain bandwidth Ploduct

I

DifiB€nldl 'nPliris (D) Tlad@ductane an?iirier

(c) TF|lffiisbnG .mPlifi6 8.

?

(B) CE (D) cscad. cd{igu'arion

(A) CB

(c) cC

3,

ofte6 hiEh6i inPDi ihP€dde

eim

bridgG in

350"

t wi'n brid$ oscitllror

(c) 0"

at

d€

(D)

lftqutrv oI eoe

{Pr.o.l

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

10.

ComnuniotiM syrlems rhat do not u* moduLrion

(^)

canier

.omuni.ariotu tl[

Which a'Mg DsaFC

()

AM

12.

Choose ih€

co ecl ri€ne.r,

(^)

13.

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

48d

:

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

()rcc

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

lisFd

as

(c) r.rl

BPF

(D)

sine (avc lo rquaE qav€

24

(fivdter'

ued rhr Fo$'bh oR irpu,

I

vrlucs of

ot d 2 ,npu,

(Bl

ltJnd !i r0

a, r

!r

(()

t0

L!r,l0lo

f\OR g.te h !.anrt lqtl hr loBr I

(B)

t

(c)

o

8RF

$ft

(ol

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

R,

rrcgudn.v)

Jrr lh.,eqibbB

(D) 9kll,1

and to th€ other

(D)

kr)

rnPul'A'!

siven

A

lP.T,O,l

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

duhrid

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
(c)

both (^) and (B) are

(D)

IIR

lst€N

c.n

be

cd!!t

(D)

Edix 4 FrT aEorithm is u*d

35. who

the phase

.harfftailtic ot . lilter

An dDlor

(B)

1

:

li@r wlt in itr

Pas ban4 the 8rcup d€lay

(c) lnlqr

(c) I

2

{D)

non

or

E

li@r

(D)

3

A Faisoi$ion line of chtra.l€rirlic thPedanc€ 50 (I is t€minalcd !y . 50 O load whm €x.il€d by a sinus .t voli.A. !ou(e .r 10 Clt& th€ Ph4e dififtfte betws two poinrs

lire B round to h

. (A) o.8x1d n/s (c) 3x1d m/s The

l^)

inbilec imFda@ of 75

tr

R.diation aristanca oi

;r.dia6 rh. PhaF veldty

or rhe wave

(B) 1.2x1d m/3 (D) l6xldm/.

fft

@)

sPae is

I

ma

(c)

39. Dui.s nighl which layd do* nol etist I (3) Fr htq (A) D layd

40,

non'ftBtwly

is b"nd lrmil.d lo 4 kIIz, $npled .r Nyquisl tate rnd rhe Dmd6 e levels The{u,nrird l*Laresuftd to b? ind.Fndmt and equiP'ob.bb t*o q!.ntired sanples p.f t*nd, th€ inlo.mtion 6te ir

spa.€d 2 mh aPart on rh€

33,

or

{qn.l

qu.nh*d;to 4 If we kansm

(A)

is

(B) @dr.nt

(A) ao

37.

ldEiv€ly

implen.nt€d

(c)

(A) (B)

36,

cotKt

tion of 16 pdinl DFI radix 2 FFT tlgorithm is Md dict c@Irt tion FFT is u*d radit 2 DIT FFI alEorifin is used

For efficimt

iost

I/2

(B)

dipole b 7s

o

7:l

o

(D)

120 O

(c) Frlay*

(D) Elava

(c)

(D)

:

7J O

120

n 155/2014

lP.T,O.l

41.

43.

The doni@nr wav€ ol R.tan8al.r

(^) TErr

e|

(D)

partially hasmitt€d and parrially EflEred

A

lnitom

plane

det,l)fugtuhc rave popagaring in i-difthon

(a) r;.omPomnt onlv lB) Conponcnb oI L and H n rn,r6-t'on only componenb or E and H only in Hr compone.t only

VSWR of a lin€

lrdimt€d

{D)

in an oper circuit is

(B) 0 or a

ro

systm whi.h ol

Root locus

:

:

(D) -1

rh€

For tEquency

{a)

(g

domin

elrsis

plor (B)

Nyqliet cnrerim R@th

ot sysrn,, lhe

Nyqui$ Borh (A) and

Sjgn.l Flob cEph applies

(B) (D)

(t)

Husitz.rit€ridn

Nrho&

Bod€

avaitabte

:

plot

:

(B) (D)

only to rinear systetu only ro.on tiner srsrehs

r''€€hphalis and dftmprDsis is rsociatd with: (A) AM (B) Tv bredcfrting (C) Atui€ur emnunicarion (D) FM brcadcdring

1L/2074

ar

pld

(D) Rd to6

(a) !o au 3Fre6 (c) only ro dhdete dy$ms

b@dcasting

ij

r-diFtio

(c) 1

plot (C) Msont Eain tomula

49.

TMn

?

The nusb€r or poles in tne l€tt half plan€, ;Eht nau plane and on th€ jw axis

(a)

48.

dihtion p€rpandiculd

have

Lttowing shr€mr ir clrcr aI mls ot th€ duEcbislic €glatid must Ue in RI Is plare .'l oots Nst be in lh. LHs plane tuts nust lie either on jw ari' or I.trS plane @ts nust te €iths on jw .iis or RIIS plare

Fd BIBO stability

(c)

47.

(D)

n.rmrlly ar the cuta? or " perA I diel{ki(, ir

(B)

(A) (B)

46,

(C)

lu ly r?n'nfrPd tully pnet€d

(A) iniinfty 45.

Ero

G:

IAI

(C) (D)

44.

(B)

@wguidc

on

b€ found

u*d

lor dE d€mJubthn or PM. FM dcmduLior lollod€d by an n'Egnkrt AM [email protected] lollow€d tY . 6lEr E.EloF d.rt(ror with a lo* p.$ riller FEqu€rry cmvdter

Gn

50.

(A) (B)

(c) {D)

be

5r,

m du. to iEufticlht $hPling 61. callc
52.

A s'8nal n(r)

IlE

thil

liniied

ro 3 kHz ls

smPl.d .t

whal ir the..tual sahPlinE rate ? (B) 8000 flz (^) 6{00 Hz

53, 5a.

Th. numbs ol nEstaa. poinle in the

ntBl

sP.ce

6600

llz

(D)

di.gnm of

BFSK is

3300

Pnhtry objetive ol sFF.Uy €fii.iat hodulati.n

is

lo

H'

:

(D)

(c) |

(B) 6

(^) 8 The

(c)

lt I x highd rhan Nvqui$ Ble'

ate

a

2

:

(A) Mrimiz Power dici*Y (B) Educ€ bt emr E|e

(c)

maxini4 th€ b.ndwidth eltici69

(D) iopffsNR

55,

Av@te intonallon cdtdrt

F @R

{A) infmdon r.r. {C) infod.tion caPtcity 56. Tl€ Pow* sPcttrl d*iny For th.

(A)

(c) 5!.

A

ffi

bir

6.rg)|

!o

Coh.rmtBFSK itl6 BP5K.nd BFSK a€$re

(c)

a

dE4te mmorylc$

(B}

entroPY

(D)

dala emPetion

slationary

prffi is alw'y3 : (c) ncsadve {D)

noi* d63i9 Ftio

(8)

@c

is lErEEd

non n'Bative

ffir

rab oI : ciheFnl BI5K B ls lh€ bil

(D) Br5K.nd

BFSK

"nnot

bt

comParcd

€nvert.d to dird.re time sigol bv : (B) qudntising and ehPlin8 smptin8.n
ontinuds tin€ 5i8ml an

(A)

.

(B) P6itiv.

(A) Fo

s7.

ot

synb.l of

b€

raa/2m1 lP.r.o.l

59,

impul* Bpon* ot a linear lime invarianl 6lter Elched lo (A) inplr sianar isdf

The

(B)

an

inpur si8nal

is

d€la],ed veE on or ih€ input

(C) bne re6ed and d€layed v€Fion of input (D) d€layed input multiplicd with . cmsrant tilts

input !o a stable lirear tihe invdiant

(B)

non

is statimarv

rkd

d.rioi.ly (c) 4ndon

61,

(A) (B)

ridoprca$or rcgisb rn rhe niooproft$d

an 8 bit registel in the a 16 bit

(C) a *t

(o) 6!

oI mmory l@tions in R/w nmory elened lor doring innrmrim Ehporan), duing the e,{ution ol a pregram a 15 bir Ilrmory :ddrs siorRl in thc prcaram counter

Th. OUT

iNhclim

:

(A) sds rhe dala from rgbter lo.rrr pon (B) *nds the dara flm acmLror ro outPrr p6.r {Cl sds ddr, frm remory lmrion to.ulput pod {D) *nds dp flaa pgitter @ntot to a@mulator

63. cosidrr

an inveding amplifier sntiSuririon using dpamp with slry Ere I V/pl' Th. valu€ of resistm usd in the ciruit k R/=I{.=l0lll What is the shdtest inte{al ot rth. rhat th€ input pdse.orld rise to 5 v wjlnout exceedirg the ar|lti6el! stew E[e ?

(q

64,

Fs

cMG invdter can be rormed lroh th€ proper.onnfttion or NMO6 rEnsislor Qr ind PMos rraftisror Qr. nF com(rion will bc (power supply @nndion, prc?dly gi@h) | (A) Or and O, parallel, i/p lo g.t€ ot bod\ o/p d!.:! ot bolb supply to drain (B) q and Q, paranel i/p to Ear. or bo$ o/p.lDin of Q2 A

(C)

Q, and

q

(D) q dd

in s6ies, dEin di

sutr

of Q? Q, in *ris, supply ri'

SupplY ro

65.

0r

l!'ire ANDinS is pGsible wit] {A) SchdkY rrl(c} rorem pore ourPlr

755lXn1

q b drail of q, i\rp

or

'/p

to Sate or both, o/p lron drain.

q, i/p ro gare or bor.\, o/p

:

(D) oFn

collcror

dtput

rrom dEin

65.

O@

atME

trqlenc.v

is nol

(q (D)

.n aPPliotim of fliP noPs Whkn is 0ut (B) fr.qMcv divition

(D)

onffiid

smicmductor Feni ldel li6 i6r belfl the cotdu.rion btnd b.nd Just .bovc the valeN ar lh€ Fre of the fobidde. btnd inside lh€ ealoce band

Fd .n n

(A) (B)

63.

ioltMing

(A) dat stoEge

(c) 67.

lhe

llF

?

multivibrator :

An oPtiel fibq @ndocE Ughr but an t tlide a Edio fEqu'fty eiEEl b
{D)

RF

tuh

6&n.k .D TEM siSnl!

69, cimFndin8 is u*d to : (A) d€rcm d.grad.[on (E ovsoru rll#ing

in

s/N ratio

(c) de@m. quanti$Ed €mr (D) t(F* d.la Er€ m,

DouHe sPotlin8 in ndio (A) lN g.in ol

(B) hiSh Ir (D) Pd eeleliv'iv

lF,nPlifiE (c) pd ldal dill.td hcltry

tt.

!o.

72,

The

a

Hdrti.n dPole anl6m

rhe halt

(A) 360'

(B) 180'

dydni.

itnSe of ,n 8 bt ADc

(A)

t3.

E elv.6isdu.to:

256

D€pth

dB

i5

RF

in th' E

(q m'

tnd

IF

Pbt' it

t&{@ I

(D) 45'

:

lcl nzdB

{3) 1182dB

ol.clh$i. c.. b. delfrin

EEC (c) EMG

(A)

Pow b€,ffiidth

of

d !s'ng

(D)

8dB

;

(B) [cc (rr) None of ihe (A, (8) or (c) t1

7r5/20t4 lr.T,o.t

lAr

ir an ex.mple oI non ,ei8hbd.ode. (B) cray code {c) Binary BcD

75-

Atmchbnous ounreE are pef{€d in tome aPPljelions due to th. fet 6,t : (B) they requir€ lss nnnbq ot oiP nops (A) they aE taFter (D) they have leier proPsSdhon dela]s (c) thcy rre easy to d€sign

76.

wlrich am6g the lolloting

be

usd

as

{ volta8 vdiabl€ rsistor

(c) UJT

(B) BJT

(A) lFf

7Z

.in

?

(D)

Diode

Nor!.n quilalentdrun and rhc'lh&enin equivalent.imit ofa given cimit isdBwn. is tfic inremal impedanft of lnev.nin circuit and ZN k th. inlernal inpedare of orftnt &ra nr Nonon cirun: The

lf Z,m

p) zN-z.F rD, /\.'dlfr,dfdb".ompd.ed

l ) zN-1/21h ,, /N-/nl

input NAND gate is available as a cncult elemmt. Tne n€thod in wh(hit.an Mverted to an nvdbr n {As!ft A" B, C d dE inPuts of NAND) : (A) rhort ,\, B and c and uF it as sinSle inPut rd invder (B) short A dd B and aP?Ly iogic 1 !o dui, !e C a5 ihe input lor inv.nd (Cl rlDn .nd B and u* il as input for inv€ne and cod{t C to logic 0

73. A3

(D)

both (A) and (B) n€rhods can b€ uted

79.

choGe thc cotecl stdten€ni regardihs SuPerPosiiion Th€oPm : (A) Sup..p@nion It€ord can be apPlied to an ntuorks G) Srp.rtcilion Th@rem can.ol be n*d l itlt .uffit ertes ic) suF rflditiDn Thoren can b€ apPri.d to linft cjmils only (D) SuFrpocinon Thsm Gnnol b. applied lo cinire conlainiq inductors

30.

The

filkr whic[

(A)

LC

31, Comd

is pletered fo

filter

{B)

Narhulr Pnsr k

755/2014

Rc

with

rilter

(B) cansa

ldiled

(c) cfiltd

cGs of 50 mA is : (D) L tiltd

(c) Godavri

(D)

Ktifi-s

is the Eibutory or

(A) YamuN 82.

u*

for road

dftnts

in *hich nalr l

(B) ,\m.nar 12

Pradeh

in

Mahanadi

be

83,

t (Bl $krin

r,h?st Schedule.l Tnbe popurahon

(A) co. 34. S€sal

(^)

unemplormcnr EleE to : (B) Priv.tp Banrs is a pan of

85.

(A)

(c) 86.

s..td (c)

hdia

37, Th€h&l novmmt

(A) lihar 33,

sdtor (DJ

S,N

(B) (D)

relared with which pla.e

sanete (B)

:

v.r). Salar(d Sur Da :

(c) Hlde'abad (D)

90, ltho

(A)

(c)

Anni€

8€ent (c)

; el.ted (B) 324

In our conetituhon whi.h

(A) 314

aiiclr

sarqini

lrensal

Nridu (Di Til.k

to the ll€.tion Confiissi.n

is the Chaiman ot Fimn.e Com*sion ar tr6r in Indir (B) N.KP. salwe Y. V€nugopal Reddy (D) K.c. Pantr K. Sanrhanan

who is 0E Aurhd.t tne ftdk " rrrin to Pakklrn- ? (8) Kushwant sin8h (A) R.K Naray.n (D) Mallana Azad (C) Mulk RajAnand

92.

Th€ arr

fom ir Kdal. known

(A) Theyyan

(c) Koodiyattaft

as

lilor

371

?

tmt

lothnloli : (B) Chakir Koothu (D) Ott'm flrullal

lhft in thc tr€wly ioftd T€lan8.na (B) 10 (C) 13

Hory frany disfnts ire

{A) 9

:

(n)

(C) 352

91.

93.

gri.nlrlE

cmp€ralile Cre.lil stru.tu. Indushal oeveloprenr frJik

ras tolnd€d by whom

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