MCQOPTIONS
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MCQOPTIONS
This section includes 11 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 p-channel FET, What is the direction of current flow? |
| A. | Source to drain |
| B. | Drain to source |
| C. | Gate to source |
| D. | Gate to drain |
| Answer» B. Drain to source | |
| 2. |
For an n-channel FET, What is the direction of current flow? |
| A. | Source to drain |
| B. | Drain to source |
| C. | Gate to source |
| D. | Gate to drain |
| Answer» C. Gate to source | |
| 3. |
To use FET as a voltage controlled resistor, in which region it should operate? |
| A. | Ohmic region |
| B. | cut off |
| C. | Saturation |
| D. | cut off and saturation |
| Answer» B. cut off | |
| 4. |
What is the value of drain current when Vgs=pinch off voltage? |
| A. | 0A |
| B. | 1A |
| C. | 2A |
| D. | Cannot be determined |
| Answer» B. 1A | |
| 5. |
The Shockley equation is __________________ |
| A. | ID = (1 – Vgs/Vp)2 |
| B. | ID = IDSS (1 – Vgs/Vp)2 |
| C. | ID = IDSS (1 – Vgs/Vp)1 |
| D. | ID = IDSS (1 + Vgs/Vp)2 |
| Answer» C. ID = IDSS (1 – Vgs/Vp)1 | |
| 6. |
What is the value of current when the gate to source voltage is less than the pinch off voltage? |
| A. | 1A |
| B. | 5A |
| C. | 100A |
| D. | 0 |
| Answer» E. | |
| 7. |
For a FET when will maximum current flows? |
| A. | Vgs = 0V |
| B. | Vgs = 0v and Vds >= |Vp| |
| C. | VDS >= |Vp| |
| D. | Vp = 0 |
| Answer» C. VDS >= |Vp| | |
| 8. |
What is the main advantage of FET which makes it more useful in industrial applications? |
| A. | Voltage controlled operation |
| B. | Less cost |
| C. | Small size |
| D. | Semiconductor device |
| Answer» D. Semiconductor device | |
| 9. |
Comparing the size of BJT and FET, choose the correct statement? |
| A. | BJT is larger than the FET |
| B. | BJT is smaller than the FET |
| C. | Both are of same size |
| D. | Depends on application |
| Answer» B. BJT is smaller than the FET | |
| 10. |
Which of the following statement is true about FET? |
| A. | It has high output impedance |
| B. | It has high input impedance |
| C. | It has low input impedance |
| D. | It does not offer any resistance |
| Answer» C. It has low input impedance | |
| 11. |
FET is a voltage controlled device. |
| A. | True |
| B. | False |
| Answer» B. False | |