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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
1. |
For a fixed bias circuit having Ic = 0.3mA and In=0.0003mA, S is______________ |
A. | 100 |
B. | 0 |
C. | 11 |
D. | 111 |
Answer» D. 111 | |
2. |
What is the value of Stability factor for an ideal transistor? |
A. | 100 |
B. | 1000 |
C. | infinite |
D. | 0 |
Answer» E. | |
3. |
There are two transistors A and B having ‘S’ as 25 and 250 respectively, on comparing the value of S, we can say B is more stable than A. |
A. | True |
B. | False |
Answer» C. | |
4. |
COMPARING_FIXED_AND_COLLECTOR_TO_BASE_BIAS_WHICH_OF_THE_FOLLOWING_STATEMENT_IS_TRUE??$ |
A. | Fixed bias is more stable |
B. | Collector to base bias is more stable |
C. | Both are the same in terms of stability |
D. | Depends on the design |
Answer» C. Both are the same in terms of stability | |
5. |
The temperature changes do not affect the Stability? |
A. | True |
B. | False |
Answer» C. | |
6. |
For an ideal transistor having a fixed bias configuration, what will be the value of Beta? |
A. | 0 |
B. | 2 |
C. | -1 |
D. | 1 |
Answer» D. 1 | |
7. |
For a fixed bias circuit having RC=2Kohm and VCC=60V, IB=0.25mA and S=101, find Vce. |
A. | 12V |
B. | 10V |
C. | 5V |
D. | 2.5V |
Answer» C. 5V | |
8. |
For a fixed bias circuit having Ic = 0.3mA and In=0.0003mA, S is______________ |
A. | 100 |
B. | 0 |
C. | 11 |
D. | 111 |
Answer» D. 111 | |
9. |
There are two transistors A and B having ‘S’ as 25 and 250 respectively, on comparing the value of S, we can say B is more stable than A.$ |
A. | True |
B. | False |
Answer» C. | |
10. |
For a n-p-n transistor, the collector current changed from 0.2mA to 0.22mA resulting a change of base emitter voltage from 0.8v to 0.8005V. What is the value of Stability factor? |
A. | 0 |
B. | 0.25 |
C. | 0.04 |
D. | 0.333 |
Answer» D. 0.333 | |
11. |
The base current for a BJT remains constant at 5mA, the collector current changes from 0.2mA to 0.3 mA and beta was changed from 100 to 110, then calculate the value of S. |
A. | 0.01m |
B. | 1m |
C. | 100m |
D. | 25m |
Answer» B. 1m | |
12. |
What is Stability factor? |
A. | Ratio of change in collector current to change in a current amplification factor |
B. | Ratio of change in collector current to change in base current |
C. | Current amplification factor |
D. | Ratio of base current to collector current |
Answer» B. Ratio of change in collector current to change in base current | |