common emitter
common collector
common base
none of the above
Answer is Right!
Answer is Wrong!
Transistors
2. 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 ___________
remain the same
increase
decrease
none of the above
Answer is Right!
Answer is Wrong!
3. The collector of a transistor is ___________ doped
heavily
moderately
lightly
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionThe collector of a transistor is ___________ doped
4. If Q of an LC circuit increases, then bandwidth ___________
Increases
Decreases
Remains the same
Insufficient data
Answer is Right!
Answer is Wrong!
Detailed SolutionIf Q of an LC circuit increases, then bandwidth ___________
5. A tuned amplifier is generally operated in ___________ operation
Class A
Class C
Class B
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionA tuned amplifier is generally operated in ___________ operation
6. The phase difference between the input and output voltages in a common base arrangement is ___________
180°
90°
270°
0°
Answer is Right!
Answer is Wrong!
7. Operating point represents ___________
Values of IC and VCE when signal is applied
The magnitude of signal
Zero signal values of IC and VCE
None of the above
Answer is Right!
Answer is Wrong!
8. The voltage gain in a transistor connected in ___________ arrangement is the highest
common base
common collector
common emitter
none of the above
Answer is Right!
Answer is Wrong!
9. In a transistor, the base current is about ___________ of emitter current
25%
20%
35%
5%
Answer is Right!
Answer is Wrong!
Detailed SolutionIn a transistor, the base current is about ___________ of emitter current
10. IC = [a/(1 – a )] IB + [. . . . . . . . /(1 – a)]?
ICBO
ICEO
IC
IE
Answer is Right!
Answer is Wrong!
Detailed SolutionIC = [a/(1 – a )] IB + [. . . . . . . . /(1 – a)]?