SOLID STATE DEVICES
101. What is the charge of the hole?
A. Equal to that of a proton
B. Equal to that of an electron
C. Equal to that of a neutron
D. Equal to zero
102. It is the current gain for the common-emitter configuration
A. a
B. β
C. δ
D. p
,SOLID STATE DEVICES
103. when a factor a junction transistor is 0.98,the factor would be equivalent to
value of transistor's beta.
A. 49
B. 60
C. 20
D. 38
104. An emitter resistor is used for in most amplifier circuits.
A. Temperature stabilization
B. Biasing a bipolar junction transistor
C. Current limitation
D. Voltage amplification
105. What line is drawn between the open-circuit current on a JFET characteristic
curve?
A. Operating point
B. Load line
C. Tangent line
D. Quiescent point
106. Which of the choices below is another name for a photoconductive cell?
A. Varicap
B. Varistor
C. Photoresistive device
D. Photodiode
107. When both emitter and collector junctions are reverse biased, the transistor is said
to be at region.
A. Active
B. Cut-off
C. Saturation
D. Amplifying
,SOLID STATE DEVICES
108. What type of diode is used for tuning receivers and is normally operated with
reverse bias and derived its name from voltage variable capacitor?
A. Hot-carrier diode
B. Varactor diode
C. Tunnel diode
D. Zener diode
, SOLID STATE DEVICES
109. What silicon npn tetrode serves as bistable negative-resistance device?
A. BJT
B. Binistor
C. FET
D. Thermistor
110. A multiple-terminal solid-state device similar to a transistor that generates
frequencies up to about 10000 MHz by injecting electrons or holes into a space-charge
layer which rapidly forces these carriers to a collecting electrode.
A. Magnetron
B. IMPATT
C. Klystron
D. Spacistor
111. Which of the items below is not a good conductor?
A. Electrolytes
B. Ionized gases
C. Silicon
D. Silver
112. What is the net charge if a certain semiconductor losses 4 valence electrons?
A. +4
B. -4
C. +8
D. -8
113. What is the net charge if a certain semiconductor gains one valence electron?
A. +1
B. -1
C. +4
D. -4
101. What is the charge of the hole?
A. Equal to that of a proton
B. Equal to that of an electron
C. Equal to that of a neutron
D. Equal to zero
102. It is the current gain for the common-emitter configuration
A. a
B. β
C. δ
D. p
,SOLID STATE DEVICES
103. when a factor a junction transistor is 0.98,the factor would be equivalent to
value of transistor's beta.
A. 49
B. 60
C. 20
D. 38
104. An emitter resistor is used for in most amplifier circuits.
A. Temperature stabilization
B. Biasing a bipolar junction transistor
C. Current limitation
D. Voltage amplification
105. What line is drawn between the open-circuit current on a JFET characteristic
curve?
A. Operating point
B. Load line
C. Tangent line
D. Quiescent point
106. Which of the choices below is another name for a photoconductive cell?
A. Varicap
B. Varistor
C. Photoresistive device
D. Photodiode
107. When both emitter and collector junctions are reverse biased, the transistor is said
to be at region.
A. Active
B. Cut-off
C. Saturation
D. Amplifying
,SOLID STATE DEVICES
108. What type of diode is used for tuning receivers and is normally operated with
reverse bias and derived its name from voltage variable capacitor?
A. Hot-carrier diode
B. Varactor diode
C. Tunnel diode
D. Zener diode
, SOLID STATE DEVICES
109. What silicon npn tetrode serves as bistable negative-resistance device?
A. BJT
B. Binistor
C. FET
D. Thermistor
110. A multiple-terminal solid-state device similar to a transistor that generates
frequencies up to about 10000 MHz by injecting electrons or holes into a space-charge
layer which rapidly forces these carriers to a collecting electrode.
A. Magnetron
B. IMPATT
C. Klystron
D. Spacistor
111. Which of the items below is not a good conductor?
A. Electrolytes
B. Ionized gases
C. Silicon
D. Silver
112. What is the net charge if a certain semiconductor losses 4 valence electrons?
A. +4
B. -4
C. +8
D. -8
113. What is the net charge if a certain semiconductor gains one valence electron?
A. +1
B. -1
C. +4
D. -4
