Prepared by P. ILAIYARAJA M. Sc. ,B. Ed. , PG ASST IN PHYSICS , GHSS, PANCHANATHIKKULAM EAST, NAGAI DT.   ; & www. Padasalai. Net
Valence electrons
Revolving electrons
Excess electrons
Active electrons
immobile positive ions
Immobile negative ions
Holes as majority carriers
No minority carriers
Minority carriers
Donor ions
Majority carriers
Acceptor ions
An ON switch
An OFF switch
A high resistance
A capacitor
Collision
Recombination
Doping
Ionisation
Type of semiconductor material
The amount of forward current
Its forward bias
Its reverse bias
Ic will increase
Vcc will increase
Ic will decrease
VCE will increase
Distortion in the output signal
Excessive heat at collector terminal
Faulty location of load line
Heavy loading of emitter current
An amplifier with feedback
A convertor of ac to dc energy
Nothing but an amplifier
An amplifier without feedback
Its input current is zero
Its output resistance is high
its output voltage becomes independent of load resistance
it becomes a current controlled device
OR
AND
EXOR
NAND
101
110
010
100
(4)
(3)
(2)
(1)
(4)
(3)
(2)
(1)
Capacitive feedback is used
Tapped coil is used
No tuned LC circuit is used
No capacitor is used
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