MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which among the following will possess a higher bandwidth, if two transistors are provided with unity gain frequency? |
| A. | Transistor with lower h<sub>fe</sub> |
| B. | Transistor with higher h<sub>fe</sub> |
| C. | Transistor with lower h<sub>re</sub> |
| D. | Transistor with higher h<sub>re</sub> |
| Answer» B. Transistor with higher h<sub>fe</sub> | |
| 2. |
The cut-off frequency (f ) is basically the frequency at which the short circuit __________ |
| A. | CB gain of transistor drops by 3 dB from its value at low frequency |
| B. | CE gain of transistor drops by 3 dB from its value at low frequency |
| C. | CC gain of transistor drops by 3 dB from its value at low frequency |
| D. | CC gain of transistor drops by 3 dB from its value at high frequency |
| Answer» C. CC gain of transistor drops by 3 dB from its value at low frequency | |
| 3. |
The value of dBm in power measurement is predictable by assuming the reference, which is equal to ________ |
| A. | 1mW |
| B. | 10mW |
| C. | 1/10 mW |
| D. | 1/100 mW |
| Answer» B. 10mW | |