MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Calculate the DC resistance of diode at VD= -10V from the characteristic graph given below. |
| A. | 1MΩ |
| B. | 10MΩ |
| C. | 15MΩ |
| D. | 5MΩ |
| Answer» C. 15MΩ | |
| 2. |
For a diode, at 10mA DC resistance is 70Ω. The voltage corresponding to 10mA will be ____________ |
| A. | 0.5V |
| B. | 0.6V |
| C. | 0.7V |
| D. | 0.8V |
| Answer» D. 0.8V | |
| 3. |
Determine DC resistance of a diode described by characteristic graph at ID = 10mA. |
| A. | 90 Ω |
| B. | 111.1 Ω |
| C. | 101.0 Ω |
| D. | 100 Ω |
| Answer» B. 111.1 Ω | |
| 4. |
FOR_A_DIODE,_AT_10MA_DC_RESISTANCE_IS_70‚ÄÖ√Ñ√∂‚ÀÖ√´¬¨‚ÀÇ._THE_VOLTAGE_CORRESPONDING_TO_10MA_WILL_BE_____________?$# |
| A. | 0.5V |
| B. | 0.6V |
| C. | 0.7V |
| D. | 0.8V |
| Answer» D. 0.8V | |
| 5. |
DC resistance of diode is measured at ____________ |
| A. | Knee current |
| B. | Cut-in voltage |
| C. | Q-point |
| D. | Reverse breakdown point |
| Answer» D. Reverse breakdown point | |
| 6. |
After cut-in voltage AC resistance of diode ____________ |
| A. | Slightly decreases |
| B. | Decreases exponentially |
| C. | Slightly increases |
| D. | Increases exponentially |
| Answer» C. Slightly increases | |
| 7. |
Average AC resistance and dynamic resistance are ____________ |
| A. | Always Equal |
| B. | Never equal |
| C. | Both represents same quantity |
| D. | Calculated from V-I graph |
| Answer» E. | |
| 8. |
Static resistance of a diode is ____________ |
| A. | Resistance at the q-point, ΔV<sub>D</sub>/ΔI<sub>D</sub> |
| B. | Maximum AC resistance |
| C. | Minimum AC resistance |
| D. | Resistance at operating point, V<sub>D</sub>/I<sub>D</sub> |
| Answer» C. Minimum AC resistance | |
| 9. |
As the slope of I-V graph at the Q point increases, AC resistance will _____________ |
| A. | Increase |
| B. | Decrease |
| C. | Either increase or decrease |
| D. | Neither increase nor decrease |
| Answer» C. Either increase or decrease | |
| 10. |
The reciprocal of slope of current-voltage curve at Q-point gives _____________ |
| A. | AC resistance |
| B. | Nominal resistance |
| C. | Maximum dynamic resistance |
| D. | Minimum impedance |
| Answer» B. Nominal resistance | |
| 11. |
What is quiescent point or Q-point? |
| A. | Operating point of device |
| B. | The point at which device have maximum functionality |
| C. | The point at which current equal to voltage |
| D. | The point of V-I graph where slope is 0.5 |
| Answer» B. The point at which device have maximum functionality | |