MCQOPTIONS
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This section includes 905 Mcqs, each offering curated multiple-choice questions to sharpen your Electronics & Communication Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 901. |
Which of the following devices is used in the microprocessors? |
| A. | JFET |
| B. | BJT |
| C. | MOSFET |
| D. | CMOS |
| Answer» E. | |
| 902. |
8416 - 2A16 is equal to |
| A. | 5A16 |
| B. | 4A16 |
| C. | 7A16 |
| D. | 15A16 |
| Answer» B. 4A16 | |
| 903. |
It is desired to design a phase shift oscillator using an FET having a gm = 5000 μSiemen, rd = 40 kΩ and feedback circuit value of R = 10 K. Then value of C for oscillator operation at 1 kHz and that of RD for A = 40 to ensure oscillator action are |
| A. | 6.4 nF, 80 K |
| B. | 6.5 nF, 10 K |
| C. | 6.5 pF, 10 K |
| D. | 65 pF, 80 K |
| Answer» C. 6.5 pF, 10 K | |
| 904. |
Compared to a p-n junction with NA = ND = 1014/cm3, which one of the following statements is TRUE for a p-n junction with NA = ND = 1020/cm3? |
| A. | Reverse breakdown voltage is lower and depletion capacitance is lower |
| B. | Reverse breakdown voltage is higher and depletion capacitance is lower |
| C. | Reverse breakdown voltage is lower and depletion capacitance is higher |
| D. | Reverse breakdown voltage is higher and depletion capacitance is higher |
| Answer» D. Reverse breakdown voltage is higher and depletion capacitance is higher | |
| 905. |
In the following non planar graph number of independent loop equations are |
| A. | 8 |
| B. | 12 |
| C. | 7 |
| D. | 5 |
| Answer» E. | |