MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For a MOSFET, the pinch-off voltage is -3V. Gate to source voltage is 20V. W/L ratio is 5. Process transconductance parameter is 40μA/V2. Find drain to source current in saturation. |
| A. | 0.10 mA |
| B. | 0.05mA |
| C. | – 0.05mA |
| D. | – 50A |
| Answer» D. – 50A | |
| 2. |
Consider the following circuit. IDSS = 2mA, VDD = 30V. Find R, given that VP = – 2V. |
| A. | 10kΩ |
| B. | 4kΩ |
| C. | 2kΩ |
| D. | 5kΩ |
| Answer» C. 2kΩ | |
| 3. |
Given VDD = 25V, VP = -3V. When VGS = -3V, IDS = 10mA. Find the operating point of the circuit. |
| A. | -3.83V, 0.766mA |
| B. | -2.345V, 0.469mA |
| C. | 3.83V, 0.469mA |
| D. | 2.3V, 0.7mA |
| Answer» C. 3.83V, 0.469mA | |
| 4. |
To bias a e-MOSFET ___________ |
| A. | we can use either gate bias or a voltage divider bias circuit |
| B. | we can use either gate bias or a self bias circuit |
| C. | we can use either self bias or a voltage divider bias circuit |
| D. | we can use any type of bias circuit |
| Answer» B. we can use either gate bias or a self bias circuit | |
| 5. |
In the given situation for n-channel JFET, we get drain-to-source current is 5mA. What is the current when VGS = – 6V? |
| A. | 5 mA |
| B. | 0.5A |
| C. | 0.125 A |
| D. | 0.5A |
| Answer» D. 0.5A | |