MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Input signal of common drain amplifier is applied to the gate through ________ |
| A. | input resistor |
| B. | coupling capacitor |
| C. | output capacitor |
| D. | transformer |
| Answer» C. output capacitor | |
| 2. |
The drain of FET is analogous to BJT |
| A. | collector |
| B. | emitter |
| C. | base |
| D. | drain |
| Answer» B. emitter | |
| 3. |
A common source amplifier has _______ |
| A. | no source resistance |
| B. | no drain resistance |
| C. | no gate resistance |
| D. | low input impedance |
| Answer» B. no drain resistance | |
| 4. |
A FET circuit has a transconductance of 2500 µ seconds and drain resistance equals to 10Kohms than voltage gain will be __________ |
| A. | 20 |
| B. | 25 |
| C. | 30 |
| D. | 35 |
| Answer» C. 30 | |
| 5. |
Ideal maximum voltage for common drain amplifier is _________ |
| A. | 0 |
| B. | 1 |
| C. | 0.5 |
| D. | 2 |
| Answer» C. 0.5 | |
| 6. |
INPUT_SIGNAL_OF_COMMON_DRAIN_AMPLIFIER_IS_APPLIED_TO_THE_GATE_THROUGH_________?$ |
| A. | input resistor |
| B. | coupling capacitor |
| C. | output capacitor |
| D. | transformer |
| Answer» C. output capacitor | |
| 7. |
THE_DRAIN_OF_FET_IS_ANALOGOUS_TO_BJT?$ |
| A. | collector |
| B. | emitter |
| C. | base |
| D. | drain |
| Answer» B. emitter | |
| 8. |
D-MOSFET in case of common source amplifier can operate with gate to source voltage zero at ______ |
| A. | Peak positive point |
| B. | Peak negative point |
| C. | Q point |
| D. | Origin |
| Answer» D. Origin | |
| 9. |
A common gate amplifier has _______ |
| A. | low input impedance |
| B. | high input impedance |
| C. | infinite input impedance |
| D. | no impedance |
| Answer» B. high input impedance | |
| 10. |
Voltage gain of common drain amplifier is always slightly less than _____ |
| A. | 0.5 |
| B. | 1 |
| C. | 1.5 |
| D. | 2 |
| Answer» C. 1.5 | |
| 11. |
A FET circuit has a transconductance of 2500 µ seconds and drain resistance equals to 10Kohms than voltage gain will be __________$ |
| A. | 20 |
| B. | 25 |
| C. | 30 |
| D. | 35 |
| Answer» C. 30 | |
| 12. |
Input resistance of common gate of the amplifier is __________ |
| A. | zero |
| B. | infinity |
| C. | extremely low |
| D. | extremely high |
| Answer» D. extremely high | |
| 13. |
If a certain drain JFET has a transconductance of 4ms. And has external drain resistance of 1.5 ohm than ideal voltage gain will be _________ |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 14. |
Ideal maximum voltage for common drain amplifier is _________ |
| A. | 0 |
| B. | 1 |
| C. | 0.5 |
| D. | 2 |
| Answer» C. 0.5 | |