江苏2025自考[大功率半导体科学]英语二考前冲刺练习题.docxVIP

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江苏2025自考[大功率半导体科学]英语（二）考前冲刺练习题

一、选择题（每题1分，共20分）

说明：每题只有一个最佳答案。

1.WhatdoessemiconductormeaninEnglish?

A.导体B.绝缘体C.半导体D.超导体

2.Whichofthefollowingisacommonmaterialforhigh-powersemiconductordevices?

A.SiliconB.CopperC.GoldD.Silver

3.WhatisthefullformofIGBT?

A.InsulatedGateBipolarTransistorB.IntegratedGateBipolarTransistor

C.IsolatedGateBipolarTransistorD.InducedGateBipolarTransistor

4.WhatdoesVDSstandforinaMOSFET?

A.Drain-to-SourceVoltageB.Gate-to-SourceVoltage

C.Drain-to-GateVoltageD.Source-to-DrainVoltage

5.Whichofthefollowingisamajorchallengeinhigh-powersemiconductorapplications?

A.LowpowerconsumptionB.Highthermalconductivity

C.HighswitchingfrequencyD.Highcost

6.Whatisthefunctionofaheatsinkinhigh-powersemiconductordevices?

A.ToincreasecurrentB.Todecreasevoltage

C.TodissipateheatD.Tostoreenergy

7.WhichmaterialiscommonlyusedforgatedielectricsinMOSFETs?

A.SilicondioxideB.Siliconnitride

C.SiliconcarbideD.Galliumarsenide

8.WhatisthetypicalbreakdownvoltageofapowerMOSFET?

A.Below100VB.100V–1000V

C.Above1000VD.Below10V

9.WhatdoesSOAstandforinsemiconductorreliability?

A.ShortOperatingAmplifierB.SafeOperatingArea

C.SuperOperatingAmplifierD.SustainableOperatingArea

10.WhichofthefollowingisakeyadvantageofSiCMOSFETsoverSiMOSFETs?

A.LowercostB.Higheroperatingtemperature

C.LowerefficiencyD.Lowerbreakdownvoltage

11.WhatisthepurposeofagateresistorinIGBTcircuits?

A.ToincreasecurrentB.Toimproveswitchingspeed

C.ToreduceswitchinglossD.Tostoreenergy

12.Whichofthefollowingisacommoncoolingmethodforhigh-powersemiconductors?

A.AircoolingB.Watercooling

C.OilcoolingD.Alloftheabove

13.WhatisthetypicalswitchingfrequencyofapowerMOSFET?

A.Below1kHzB.1kHz–100kHz

C.Above100kHzD.Below100Hz

14.WhatdoesP