Junction Transistor(General Knowledge > General Science ) Questions and Answers
Question 1. What are the 3 legs of a transistor called?
Base, Electrode, Commiter
Bridge, Collector, Extruder
Base, Collector, Emitter
Brake, Collection, Emit
Explanation:-
Answer: Option C. -> Base, Collector, Emitter
Question 2. To operate properly, a transistor's base-emitter junction must be forward biased with reverse bias applied to which junction?
collector-emitter
base-collector
base-emitter
collector-base
Explanation:-
Answer: Option D. -> collector-base
Question 3. Depletion region behaves as
Semiconductor
insulator
conductor
High resistance
Explanation:-
Answer: Option B. -> insulator
Question 4. At the base-emitter junctions of a transistor, one finds
a reverse bias
a wide depletion layer
low resistance
none of the above
Explanation:-
Answer: Option C. -> low resistance
Question 5. The ratio of dc collector current (IC) to dc emitter current (IE)
gamma
theta
beta
alpha
Explanation:-
Answer: Option D. -> alpha
Question 6. The region of operation of a transistor where base-emitter junction has a low resistance due to forward bias and the base-collector junction has a high resistance due to reverse bias
cutoff
saturation
breakdown
active or linear
Explanation:-
Answer: Option D. -> active or linear
Question 7. Which is beta's current ratio?
IC/IB
IC/IE
IB/IE
IE/IB
Explanation:-
Answer: Option A. -> IC/IB
Question 8. When the transistor is in cutoff, VCE is
o V
equal to VBE
minimum
equal to VCC
Explanation:-
Answer: Option D. -> equal to VCC
Question 9. Most of the electrons in the base of an NPN transistor flow:
out of the base lead
into the collector
into the emitter
into the base supply
Explanation:-
Answer: Option B. -> into the collector
Question 10. When transistors are used in digital circuits they usually operate in the:
active region
breakdown region
saturation and cutoff regions
linear region
Explanation:-
Answer: Option C. -> saturation and cutoff regions