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261. Electronspresentinp-typematerialduetothermalpairgenerationare_____________?

A.majoritycarriers
B.minoritycarriers
C.dualcarriers
D.blockers

262. Semi-conductorgermaniumandsiliconare_________________?

A.pentavalent
B.trivalent
C.divalent
D.tetravalent

263. p-njunctionwhenreversedbiasedactsasa_______________?

A.capacitor
B.inductor
C.onswitch
D.offswitch

264. Inn-p-ntransistor,pworksas______________?

A.collector
B.emitter
C.base
D.anyofabove

265. Identifythecorrectstatementaboutminoritycarriers_____________?

A.holesinn-typeandfreeelectronsinp-type
B.holesinn-typeandp-type
C.freeelectronsinn-typeandholesinp-type
D.freeelectronsinn-typeandp-type

266. Thevelocityofanoscillatingchargeasitmovestoandfroalongawireisalways_____________?

A.constant
B.zero
C.changing
D.infinite

267. Whichoneofthefollowinghasthegreatestenergygap?

A.insulator
B.conductor
C.semiconductor
D.anyofabove

268 Thermionsare________________?

A.protons
B.positrons
C.electrons
D.photons

269. Inthetransistorschematicsymbol,thearrow_______________?

A.islocatedontheemitter
B.islocatedonthebase
C.islocateonthecollector
D.pointsformnorthtosouth

270. Thesemiconductordiodecanbeusedasarectifierbecause_______________?

A.Ithaslowresistancetothecurrentflowwhenforwardbiased&highresistancewhenreversebiased.
B.Ithaslowresistancetothecurrentflowwhenforwardbiased.
C.Ithashighresistancetothecurrentflowwhenreversebiased
D.Itsconductivityincreaseswithriseoftemperature.