MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
What will be the ratio of final current to initial current of a diode if the voltage of a diode changes from 0.7V to 872.5mV. Take ideality factor as 1.5. |
| A. | 90.26 |
| B. | 52.36 |
| C. | 80.23 |
| D. | 83.35 |
| Answer» E. | |
| 2. |
Consider a silicon diode with =1.2. Find the change in voltage if the current changes from 0.1mA to 10mA. |
| A. | 0.154V |
| B. | 0.143V |
| C. | 0.123V |
| D. | 0.165V |
| Answer» C. 0.123V | |
| 3. |
Find the applied voltage on a forward biased diode if the current is 1mA and reverse saturation current is 10-10. Temperature is 25 C and takes ideality factor as 1.5. |
| A. | 0.658V |
| B. | 0.726V |
| C. | 0.526V |
| D. | 0.618V |
| Answer» E. | |
| 4. |
Calculate the reverse saturation current of a diode if the current at 0.2V forward bias is 0.1mA at a temperature of 25 C and the ideality factor is 1.5. |
| A. | 5.5x 10<sup>-9</sup> A |
| B. | 5.5x 10<sup>-8</sup> A |
| C. | 5.5x 10<sup>-7</sup> A |
| D. | 5.6x 10<sup>-10</sup> A |
| Answer» D. 5.6x 10<sup>-10</sup> A | |
| 5. |
Calculate the thermal voltage when the temperature is 25 C. |
| A. | 0V |
| B. | 0V |
| C. | 0.026V |
| D. | 0.25V |
| Answer» C. 0.026V | |
| 6. |
Calculate the forward bias current of a Si diode when forward bias voltage of 0.4V is applied, the reverse saturation current is 1.17 10-9A and the thermal voltage is 25.2mV. |
| A. | 9.156mA |
| B. | 8.23mA |
| C. | 1.256mA |
| D. | 5.689mA |
| Answer» B. 8.23mA | |