1) Period of infinite continuous fourier series == ? a. N b. N+M c. infinite d. 2*pi/n 2) ROC converes if po!es and "eros !ie inside == ? a. Oriion b. #=1 $) %&ic& 'odu!ation &as &i&er data rates == ? a. f' b. a' c. qam d. (ps ) n ,- sste' is c&aracteri"ed b == ? a. Impulse input b. tep input 0) -ransfer function is == ? a. Mat&e'atica! 'ode! b. ste' it& no p&sica! structure c. Can be ca!cu!ated t&rou& differentia! e(uations ) f ROC 3Reion of converence) does not inc!ude unit circ!e t&en == ? a. 4ourier transfor' converes b. #5transfor' converes c. 6ar!e transfor' converes 7) 4astest ac&ievab!e Response it&out overs&ootin == ? a. under da'ped b. overda'ped c. critica!! da'ped 8) f " transfor' !ies in ROC t&en == ? 9. ste' is stab!e :. nverse of sste' is stab!e C. :ot& sste' and its inverse are unstab!e ;. :ot& sste' and its inverse are stab!e <) nder da'ped response &ave a. da'pin ratio>1 b. >da'pin ratio@1 c. da'pin ratio =1 d. da'pin ratio = 1) %e bui!t contro! sste's for AAAAAAA == ? a. re'ote contro!B b. stabi!itB c. overco'indisturbancesB d. 9!! of above 11) -&e ;: cateor of 9M sste' is enera!! used in AAAAAAAAAAA == ? a. Osci!!ator b. Co!or 11) infor'ation - c. Osci!!oscope 12) %&ic& is used to prevent poer astae on D AAAAAAA == ? a. 4;M b. : c. ;: 1$) f ROC does not !ie inside unit circ!eB t&en == ? 1) 44- converes 2) #5-ransfro' converes $) #5 -ransfor' ;iveres 1) -&e contro! sste' is used for == ? 10) -o decrease t&e poer in contro! sste' e use == ? 1) %&at i!! be t&e sa'p!in fre(uenc t&at revea!s t&e sa'e sa'p!ed sina! == ? 17) " transfor' is used &en t&e sste' is not == ? 18) 4or a ,- sste' sste' if a!! t&e "eroes and po!es are inside t&e u nit circ!e t&en == ? 1<) %&ic& 'odu!ation tec&ni(ue &as carrier sina! eit&er 1 or state == ? 2) Po!e of s5p!ane ives t&e infor'ation about == ? 21) ROC converes if po!es and "eros !ies inside == ? 22) %&ic& e(uation best represents 9M poer? poer? == ?
1 . Ch i n a’ swa l l i sv i s i b l ef r o m mo on 2.Wor l d ’ ss ec ondl ar ge str i v er ?( a ns:fi r s tAma zo n,2ndNi l e) 3 .BCDc ou nt ert oc ou ntb i n ar ybyus i n gs er i a ll o ad / p ar a l l e ll o ad ??( Pa r a l l e lL oa da sl o nga sIr e me me mb mb er ) 4 .I npo we rfl o wd i a gr a msl ms o adi su s ua l l yr e pr e se nt e db y“ c on st a nti mp ed an ce / ? ?“ ? ? 5 .Fo r mu l aofr e so na nc ef r e qu en cy ?( ½* p i * ( L * C) 1 / 2) 6.Su kk urbar r agei sonr i v erI n dus 7.Di ami mi rbhashadam? m?On OnI ndusRi ver 8 .Sh un tr e ac t o r ?(T obr i n gd ownen dv o l t a ge s,t he sear eba si c al l yi n du ct o r sa dd edbe t we enph as ea ndne ut r a l l i net obr i ngdownv ol t age)* maz eedr ea dk rl i j y eg a: p * 9.Wh yc ap ac i t or sar ea ddedi ns er i e swi t ht h et r a ns mi mi s s i o nl i n e?( f orpr o t ec t i onf r om t r a ns i e ntv ol t a ge s) 10.Li nel oadabi l i t y ? 11 .L apl ac et r ans f or m ofuni ts t epf u nc t i on ?( 1/ s ) 1 2.Wh og av et h es t a t e me me nti ni n di at h atp aki ss pr e ad i n gt er r o ri nne i g hb ou r i n gc ou nt r i e s?( Da v i dCa me me r o n ) 13.Yom eAr af at ?9t hofz i l haj j whenhaj i sgat heri nt hegr oundofAr af atf ori ndi v i dual andc ol l ec t i v epr a yer s 14.Fas t i ngasas hi el d( pi l l arofi s l am) 1 5.Ma gn et i cfi el di nDCmo t o r ?( b / ws t a t o ra n dr o t o r )Id on ’ tr e me me mb mb ert h ee x ac tq ue st i o n : /
1 6.Po l e sar ec ha mf mf e r edi ndcmo mo t o r ?( t or e du cear ma t u r er e ac t i o n) 17.T or quei ni nduc t i onmo mot ori spr opor t i onal t o?( Cur r entIt hi nkso) 1 8.Wh ati sz er os t a t e ? 19.GSM andmo modul at i onsc heme mes? 2 0 .Mo d ul a t i o ns c h e me me si nmo mo de r nc el l p h on es ? 2 1 .CMRR?( d i ff e r e nt i a lg ai nd i v i d edb yc o mmo mm nmo mo d eg a i n ) 22 .I ndi gi t al c ommu ni c at i on,t hemo mod ul at e ds i gn al a tt r an smi t t eri si nt h ef or ma s?( mod ul a t edana l og ueor modu l at e dd i gi t a lo re t c??) 23 .Wh ats houl dbedonet oi n cr ea set hedi r e ct i v i t yofa nt enna ?( r e l at i o nwi t hgai nan db an dwi dt h) 24.Whati sscr ewphenome mena? 2 5.Re l a t i o ns hi pb et we enr o t o rp ol e sa nde l e ct r i cf r e que nc yi nmo t o r sa ndg en er a t o r s ? 2 6.Di ff er e nt i a la mp mp l i fi er san dc o up l i n gu se d? 27 .Ba si cgoa lo fdi ff er ent i a lamp ?( Noi s er edu ct i o n) 28 .Zer opo l e( unob ser v abl ea ndunc on t r o l l abl e? ?Ido n’ tr em i t ) 2 9.Us eofl a pl a c ed oma i n ? 30.16bi t sx16bi t s=(32bi t s) 3 1.Wh ati si mp ed an c ema t c h i n gt r a ns f o r me r ? 3 2.I mp ed an c ema t c h i n gi sd on ef o r ?( T or e du c er e fl ec t e dp owe r) 33 .Wh Wh ati scaus edbe cau seofl i ner es i s t an ce( a t t enua t i on / di s t or t i o n( c ozo fr e ac t an ce s) ) ? 3 4 .Wh end i dQu a i deaz a mg a v ehi s1 4p oi n t s ?( 1 9 29 ) 3 5 .CM o fPu n j a b?( Sh a hb azSh a r e e f: p ) 3 6.L ar g es tp r o v i n cea c co r d i n gt oa r e a ?( Bl o uc hi s t a n) 3 7.No r t h er nAr e aa r ec o v er e db yMo Mo un t a i nr a ng es ?( Hi ma l y a nr a ng es) 38 .Sh un tr e ac t or ?( t or edu ceen dt e r mi na lv ol t age) 39 .Wh Wh atwi l l b et heEl e ct r i c al f r equen cyi no ner e v ol u t i onf o r8pol e s?( 4Hz ) 4 0.Ph as edi ff er e nc ei nv ol t a ge sofp r i ma r ya nds ec on da r ywi n di n gso ft r a ns f o r me r?( 0de gr e e) 4 1.Atn ol o adv ol t a gei npr i ma r ywi n di n gl a gb y?l e adby?h owmu c hd eg r e e?( l a gb yl e s st h an90de gr e e) 4 2.A2 00wa t t4 00 Vl a mp mp / h ea t e rs u p pl i e sa t2 00 V.I tp owe rwo ul db e?( a mb mb i g ui t y , p owe rs h o ul dr e ma ma i nc o ns t a nt me r ek ha y a ls e)
4 3.c ou pl i n gc ap ac i t o ru s eda r eofv a l u e? 44 .wh ats houl dbet hel oadf ac t o ran dd i v er s i t yf a ct orf o rl o wc os tel ec t r i c i t yg ener a t i on?( mer ek hy al s el oa d f ac t ors houl dbeh i ghandd i v er s i t yf a ct o rs hou l dbel o w) w) 4 5.h owd at ar at eo fo pt i c al fi br ec a bl ec anb ei n cr e as ed? 46.f ors t abi l i t ypol ess houl dbei nr i ght / r i ght / j wax i shal fpl ane? 4 7.Wh ati st h ema i nc on st r a i n to nt h ema xi mu mt r a ns mi mi s s i o nc ap ab i l i t yofl i n e? 48 .Ho l l owc onduc t or sar epr e f er r edi nt r a ns mi mi s s i o nl i n es .Wh y? 4 9.AL U+me me mo mo r y+e t co nas i n gl ec hi pc al l e d?mi mi c r o pr o c es s o r?pr o c es s o r?et c? 5 0.I fK=1t h enG( G( s ) H( s )r e pr e se nt s?p ol e s?ze r o e s?r o o t s?e t c? 51 .I fc ur r ent13 . 64A,he at750 0j o wl si n5s ect he nVo l t ag el e ve lr equi r ed?( 110V) 5 2.I fc a pa c i t a nc e0 . 1u F,I n du c t a nc e0 . 1h en r yt h enr e s on an c ef r e qu en c y?( 1 . 5 92 KHz ) 5 3.Wh ath ap pe nswi t ht h eI n c r e as i n gg au ge?(wi r et h i c k n es sr e du c es) 5 4.Noo fMa gn et i cfie l do fl i n ep as s i n gt h r o u ghap er p en di c ul a ra r e ac al l e d?( Ma gn et i cFl u xd en si t y ) 55 .I nCar t es i anc oor di n at esax i sar eper pe nd i c ul ar / par al l e l / s ame?( Per p endi c ul ar ) 56 .I nme as ur emen ti ndi c at i n gi ns t r umen t st or q uei snul l i fi edv i as pr i ng?gr a vi t y?e t c? 5 7.Wh i c hl o s s eso ft r a ns f o r me rd e pe ndup onf r e qu en c y?( y es e ndk i at h af bp emj h eb hi b ho ol g y ah ae x a c t l y) : p
58 .I nt er f ac i nga na l oguequant i t ywi t hDi gi t a ls y st em r equi r e?( ADC) 59.Al l i ni t i al c ondi t i onssett oz er o,t henr es pons ef oral l i nputi scal l ed? 6 0.Cu r r e ntCh i e fo fa r mys t a ff?( Ra he el Sh ar e ef ) 61 .l a pl a cet r a ns f o r mi sus edf o r?s ol v i ngal g eb r a i cequa t i o ns?l i n ea rs y s t e mt r ans f e rf un ct i on?e t cet c? 6 2.wh ati st h er e si s t a nc eo fa ni d ea lv o l t a ges ou r c e?( z er oo hm) 63.whati st her es i s t anc eofani deal c ur r ents our c e?( openc i r c ui t edi . ei nfi ni t e) 64.whi chmo mot orhast hema maxi mum speed?( DCser i esmo mot or ) 6 5.wh i c hmo mo t o rs h ou l dno tb eu s edwi t h ou tl o ad?( DCs e r i e smo mo t o r ) 6 6.wh ati spo we rf a c t o r?( t r u ep owe r/ a pp ar e ntp owe r ) 6 7.mo du l a t i o ns c h emeh av i n gh i g he s td at ar a t e? 6 8.wh i c he l e me me ntp r o d uc esl e s sr e si s t a nc ea t0 Hzf r eq ue nc y?( I n du ct o r ) 69.powerel ec t r oni c si si n vol v edi n?c on ver t eri n ver t eret c? 7 0 .wh i c ht y p eo fc o n v e r t e r sa r efl yb ac kc o n v er t e r s?( DCDCa ndACDC) 71.di odesar eus edi n?r ec t i fi er?i n vent or( Ic oul dn ’ tfi gur eoutwhati ti s) : p
7 2.wh ati st h er a ng eo ft o r q u ea ng l e( y ap t anh nk o ns aa ng l et h a)1 3 ,3 5 ,1 53 0,2 3d eg r e es? 7 3.wh yt r a ns f o r me rp ar a me me t e r sc a nn otb eme as u r e db yi n pu to ut p utme t h od?( d uet ol o s s esme me r ek hy a ls e ) 7 4.h owma n yb i t sar et h er ei nI Pa dd r e s s?( 3 2) 75 .l i n kl a y eri sano t hern ameo fwhi c hl a y er ? 7 6.Wh i c hc ou nt r yfl a gb ea r sama ma pl el e afo ni t?( Ca na da ) 77 .Wh ati st h el i t er al me an i ngofwor d“ Qi bl ah ”?( Some t h i ngi nf r on to fy ou) 78 .Ac c ur a cyi nt er msofp r e c i s i onan dr e so l ut i o n? 79.Dar l i ngt onpai r ? 8 0.T e mp mp er a t u r ec o e ffic ffic i e nto fs e mi mi c o nd uc t o r s ? 81 .Bo os ts t r api ns ul at or ? 8 2.T e c hn i q ue sofp ul s ec od emo du l a t i o n? 8 3 .Dr u mt i me r ? 8 4.T e r msl i k e“ f a no uta ndf a ni n ” ?( “ ma x i mu mn umb ero fo ut p ut s ”c o nn ec t e dt oa nI Co utp i nl i k e“ h o w ma ny g at e sc anbedr i v e nf r o mt heou t p uto fo neg at e ”) 85 .Mer c ur yar cr e c t i fi er ?
If the height of the transmission towers is increased, which of the following parameters is likely to change? change? a. capacitance b. inductance c. resistance d. No change Ans: a 2. If R! "Region of con#ergence$ does not include unit circle then a. %ourier transform con#erges b. &'transform con#erges c. (arley transform con#erges ). *he +I "+edium cale Integration$ techni-ue, the number of transistors on the single I! package can be fabricated are: a. less than / b. / to // c. // to /// d. /// to //// Ans: b 0. *he 1I "1arge cale Integration$ techni-ue, the number of transistors which can be fabricated on the single I! are: a. / to // b. /// to //// c. // to /// d. greater than //// Ans: c . **1 "*ransistor ' *ransistor 1ogic$ of chip integration uses a. 3ipolar 4unction b. %ield effect c. complementary symmetry metal o5ide Ans: a 6. In )'phase 0'wire system, how many #oltages are a#ailable? a. three b. four c. nine d. two 7. %or the signal !os"pi80$, the fundamental period is a. 9 b. 0 c. 2 d. 6 Ans: 9 9. In &'transform, R! always lies around: a. origin b. pole c. ero d. ; e. ;' <. %or getting the sampled signal without any d istortion, according to Ny-uist criteria, the minimum sampling period must be a. double the ma5 period b. e-ual to the ma5 period c. greater than the ma5 period d. half the ma5 period Ans: d /. =lectrical lines of force about a negati#e charge are a. !ircular, anticlockwise b. !ircular, clockwise c. Radial, inward d. Radial, outward Ans: c
. >hich meter is used a null detector in wheatstone bridge a. Ammeter b. oltmeter c. hm'meter d. @al#anometer @ al#anometer Ans: d 2. *he 1*I "1inear *ime In#arient$ system can be completely characteried by a. Ramp input b. inusoidal input c. Impulse input d. tep input Ans: c ). >hen the current in the light bulb decreases by 2, its power decreases by a. 0 b. 2 c. 9 d. 0/ Ans: a 0. *he fact that a conductor carries more current on the surface as compared to core is known as: a. %aradayBs effect b. AmpereBs =ffect c. corona d. kin effect Ans: d