MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Consider the circuit shown. The input is a square wave ± 15 V, for a silicon diode and an output voltage swing of 30 V. Choose the validity of the statement. If the value of resistance R = 10KΩ and capacitance C = 1MF. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Choose the correct option for the relation between the two circuits.a) Circuit (a) is a voltage doubler circuit, while Circuit (b) does not double the voltageb) Both are similar and double the voltage to 2Vmc) Circuit (a) is a doubler circuit with output +2Vm and Circuit (b) is a doubler with output -2Vmd) Circuit ( |
| A. | Circuit (a) is a voltage doubler circuit, while Circuit (b) does not double the voltageb) Both are similar and double the voltage to 2Vmc) Circuit (a) is a doubler circuit with output +2Vm and Circuit (b) is a doubler with output -2Vmd) Circuit (a) is a doubler circuit, while Circuit ( |
| B. | does not double the voltageb) Both are similar and double the voltage to 2Vm |
| C. | Circuit (a) is a doubler circuit with output +2Vm and Circuit (b) is a doubler with output -2Vm |
| D. | Circuit (a) is a doubler circuit, while Circuit (b) is a clipper |
| Answer» D. Circuit (a) is a doubler circuit, while Circuit (b) is a clipper | |
| 3. |
Tilt of output waveform for the circuit is 1%. Given that input is a square wave ± 10 V, f = 2 kHz, diode cut-in voltage = 0.7, what is the relation between C and R? |
| A. | RC=20 |
| B. | RC=1/2 |
| C. | RC=2 |
| D. | RC=1/20 |
| Answer» E. | |
| 4. |
Considering a clamper circuit, where capacitance C, load R, the cut-in voltage of diode are unknown, which is the correct statement? |
| A. | The DC level of the signal changes |
| B. | The peak-to-peak value of signal changes |
| C. | The shape of signal changes |
| D. | The DC level shifts up |
| Answer» B. The peak-to-peak value of signal changes | |
| 5. |
In the given circuit, given that C=2MF and diode cut-in voltage, Vγ =0. Calculate the average output voltage. |
| A. | 2V |
| B. | 4V |
| C. | -2V |
| D. | -3V |
| Answer» D. -3V | |
| 6. |
Given input for the circuit is f = 1 KHz.Diode cut-in voltage = 0.7 VOutput waveform:For the given output, find V1 and discharge time? |
| A. | 4.3 V, 1ms |
| B. | 4V, 0.5ms |
| C. | 4.3V, 0.5ms |
| D. | 5.7V, 1ms |
| Answer» D. 5.7V, 1ms | |
| 7. |
Consider the circuit provided. Total discharge time = 0.5 ms. Consider the diode to be an ideal diode, for a square wave input of ± 10 V, what is the percentage tilt? (C = 1MF & R = 50k Ohms) |
| A. | 10% |
| B. | 1% |
| C. | 0.1% |
| D. | 1.1% |
| Answer» C. 0.1% | |
| 8. |
What is A, B, C and D to design a voltage doubler in the given circuit? |
| A. | A=B=Resistors, C=D=Diodes |
| B. | A=D=Capacitors, B=C=Diodes |
| C. | A=Capacitor, B=D=Diodes, C=Resistor |
| D. | A=C=Diodes, B=D=Capacitors |
| Answer» C. A=Capacitor, B=D=Diodes, C=Resistor | |
| 9. |
Which of the following is not true regarding clamper? |
| A. | A positive clamper adds a positive DC voltage |
| B. | A clamper can also be called as a re-inserter |
| C. | To reduce tilt, reduce the RC value |
| D. | Negative clamper will clamp the positive peak of output to the reference voltage |
| Answer» D. Negative clamper will clamp the positive peak of output to the reference voltage | |