Transistors(Engineering > Electrical Engineering ) Questions and Answers
Question 1. IC = [a / (1 - a )] IB + ___________
ICEO
ICBO
IC
(1 - a ) IB
Explanation:-
Answer: Option A. -> ICEO
Question 2. In a transistor, signal is transferred from a ___________ circuit
high resistance to low resistance
low resistance to high resistance
high resistance to high resistance
low resistance to low resistance
Explanation:-
Answer: Option B. -> low resistance to high resistance
Question 3. In a transistor amplifier circuit VCE = VCB + ___________
VBE
2 VBE
5 VBE
None of the above
Explanation:-
Answer: Option A. -> VBE
Question 4. IC = aIE + ___________
IB
ICEO
ICBO
ßIB
Explanation:-
Answer: Option C. -> ICBO
Question 5. The stability factor of a collector feedback bias circuit is ___________ that of base resistor bias.
The same as
More than
Less than
None of the above
Explanation:-
Answer: Option C. -> Less than
Question 6. When either L or C is increased, the resonant frequency of LC circuit ___________
Remains the same
Increases
Decreases
Insufficient data
Explanation:-
Answer: Option C. -> Decreases
Question 7. If L/C ratio of a parallel LC circuit is increased, the Q of the circuit ___________
Is decreased
Is increased
Remains the same
None of the above
Explanation:-
Answer: Option B. -> Is increased
Question 8. If the resistance of a tuned circuit is increased, the Q of the circuit ___________
Is increased
Is decreased
Remains the same
None of the above
Explanation:-
Answer: Option B. -> Is decreased
Question 9. Most of the majority carriers from the emitter ___________
recombine in the base
recombine in the emitter
pass through the base region to the collector
none of the above
Explanation:-
Answer: Option C. -> pass through the base region to the collector
Question 10. A transistor is connected in CB mode. If it is not connected in CE mode with same bias voltages, the values of IE, IB and IC will ___________