Quiz
Transistores
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Perguntas do quiz (33)
1A bipolar junction transistor has [blank_start]2[blank_end] PN junction
- A2
2The bipolar junction transistor has [blank_start]2[blank_end] depletion layers
- A2
3The base of a transistor is ____ doped
- Aheavily
- Bmoderatily
- Clightly
4The element that has the biggest size in a transitor is___
- Acollector
- Bemitter
- Cbase
5In a pnp transistor, the current carriers are [blank_start]holes[blank_end].
- Aholes
6The collector of a transistor is _____ doped
- Alightly
- Bmoderatly
- Cheavily
7A transistor is [blank_start]current[blank_end] operated device.
- Acurrent
8In an npn transistor ____ are the minotiry carriers.
- Afee electrons
- Bholes
- Cdonor ions
- Dacceptor ions
9The emitter of a transistor is ___ doped
- Alightly
- Bmoderatly
- Cheavily
10In a transistor, the base current is about [blank_start]5%[blank_end] of emitter current.
- A5%
11At the base-emitter junction of a transistor, one finds____
- Areverse bias
- Ba wide depletion layer
- Clow resistance
- Dnone
12The input impedance of a transistor is____
- Ahigh
- Bvery high
- Clow
- Dalmost zero
13Most of the majority carriers from the emitter__
- Arecombine in the base
- Brecombine in the emitter
- Cpass trouhgt the base region to the collector
14In a transistor
- AIC= IE + IB
- BIB= IC + IE
- CIE= IC - IB
- DIE = IC + IB
15The value of (alpha) of a transistor is
- Amora than 1
- Bless than 1
- C1
- Dnone
16The output impedance of a transitor is ___
- Ahigh
- Blow
- Cvery low
- Dzero
17In a transistor, Ic= 100mA and Ie=100.5mA. The value of /betha/ is
- A100
- Babout 1
- C50
- D200
18In a transistor if /betha/=100 and collector current is 10 mA then Ie is___
- A10.0 mA
- B10.1mA
- C11.00mA
- Dnone
19The relation between "betha" and "alpha" is___
- Abetha= alpha/ 1- alpha
- Bbetha= 1 / 1- alpha
- Cbetha= 1 / 1+ alpha
- Dbetha= alpha/ 1+alpha
20the most commonly used transistor arrangement is _____ arrangement
- Acommon emitter
- Bcommon collector
- Ccommon base
- Dnone
21The input impedance of a transistor connected in___ arrangement is the highest.
- Acommon emitter
- Bcommon collector
- Ccommon base
- Dnone
22The output impedance of a transistor connected in___ arrangement is the highest.
- Acommon emitter
- Bcommon base
- Ccommon collector
- Dnone
23The phase difference between the input and output voltages in a common base arrangement is __
- A180°
- B90°
- C270°
- D0°
24The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is __
- A0°
- B180°
- C90°
- D270°
25As the temperature of a transistor goes up, the base-emitter resistances___
- Adecreases
- Bincreases
- Cremains tha same
- Dnone
26The voltage gain of a transistor connected in common collector arrangement is____
- Aequal to 1
- Bmore than 10
- Cmore than 100
- Dless than 1
27IC = alpha/(1-alpha) IB + _____
- AICEO
- BIC
- CICBO
- D(1- alpha) IB
28A tranistor is connected in CB mode. If it is now connected in CE mode with same bias voltages, the values of IE, IB AN IC will____
- Adecrease
- Bincrease
- Creamin the same
- Dnone
29If the value of alpha is 0.9, then value of betha is___
- A9
- B0.9
- C900
- D90
30In a transistor, signal is transfered from a ____circuit
- Ahigh resistance to low resistance
- Blow resistance to high resistance
- Chigh resistance to high resistance
- Dlow resistance to low resistance
31A heat sink is generally used with a transistor to____
- Aincrease the forward current
- Bdecrease the forward current
- Cconpensate for excessive temperature rise
- Dprevent excessive temperature rise
32The most commonly used semiconductor in the manufacture of a transistor is ___
- Agermanium
- Bsilicon
- Ccarbon
- Dnone
33The collector-base junction in a transistor has
- Aforward bias at all times
- Breverse bias at all times
- Clow resistance
- Dnone
Informações
- Descrição
- Quiz sobre Transistores, criado por JOANA GARCIA em 11-04-2019.
- Autor
- JOANA GARCIA
- Idioma
- Español
- Visualizações
- 1
- Etiquetas
- Avaliação
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