MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
In the given circuit input voltage Vin is 3V and VB is 1V. The resistance R is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The current I will be? (Use piecewise linear model of diode) |
| A. | 1V |
| B. | 3V |
| C. | 2.3V |
| D. | 1.3V |
| E. | 1Vb) 3Vc) 2.3Vd) 1.3V |
| Answer» C. 2.3V | |
| 2. |
In the given circuit input voltage V is -3V and VB is 1V. The resistance R1 and R2 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The current I will be(Use piecewise linear model of diode) |
| A. | 1.2mA |
| B. | 0mA |
| C. | 0.8mA |
| D. | 1mA |
| E. | 1.2mAb) 0mAc) 0.8mAd) 1mA |
| Answer» C. 0.8mA | |
| 3. |
In the given circuit input voltage V is 3V and VB is 1V. The resistance R1 and R2 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The current I will be(Use piecewise linear model of diode) |
| A. | 0.96mA |
| B. | 2.13mA |
| C. | 1.56mA |
| D. | 1.23ma |
| E. | a) 0.96mAb) 2.13mAc) 1.56mAd) 1.23ma |
| Answer» D. 1.23ma | |
| 4. |
In the given circuit input voltage V is 2V and VB is 1V. The resistance R1 and R2 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The current I will be(Use piecewise linear model of diode) |
| A. | 0.29mA |
| B. | 0.21mA |
| C. | 0.36mA |
| D. | 0.15mA |
| E. | a) 0.29mAb) 0.21mAc) 0.36mAd) 0.15mA |
| Answer» B. 0.21mA | |
| 5. |
In the given circuit input voltage V1 is -3V and V2 is -1V. The resistance R1 is 1K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The approximate current I is _________(Use piecewise linear model of diode) |
| A. | -1mA |
| B. | -2mA |
| C. | -0.2mA |
| D. | -0.1mA |
| E. | -1mAb) -2mAc) -0.2mAd) -0.1mA |
| Answer» C. -0.2mA | |
| 6. |
In the given circuit input voltage Vin is 3V and V2 is 1V. The resistance R1 is 1.5K. Cut-in voltage of diode is 0.5V. Forward bias resistance is 10Ω. The current I will be __________ |
| A. | 2.03mA |
| B. | 0.23mA |
| C. | 1.58mA |
| D. | 1.33mA |
| Answer» E. | |
| 7. |
In the given circuit voltage V = 2V.cut-in voltage of diode is 0.7V. Forward resistance is 10Ω. The current I through the circuit is ____________(Assume piecewise linear model for diode) |
| A. | 0.235mA |
| B. | 1.29mA |
| C. | 1.63mA |
| D. | 2.27mA |
| E. | a) 0.235mAb) 1.29mAc) 1.63mAd) 2.27mA |
| Answer» E. a) 0.235mAb) 1.29mAc) 1.63mAd) 2.27mA | |
| 8. |
Voltage drop produced by a diode in piecewise linear mode is __________ |
| A. | Constant and equal to knee voltage |
| B. | Varies linearly with voltage after knee voltage |
| C. | Varies exponentially with voltage after knee voltage |
| D. | Constant and equal to twice of knee voltage |
| Answer» C. Varies exponentially with voltage after knee voltage | |
| 9. |
Reverse biased condition of a diode in piecewise linear model is equivalent to __________ |
| A. | Resistor |
| B. | Capacitor |
| C. | Conductor |
| D. | Insulator |
| Answer» E. | |
| 10. |
After cut-in voltage in piecewise linear model diode act as a ___________ |
| A. | Resistor |
| B. | Capacitor |
| C. | Conductor |
| D. | Insulator |
| Answer» B. Capacitor | |