MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How does a monostable multivibrator used as frequency divider? |
| A. | Using square wave generator |
| B. | Using triangular wave generator |
| C. | Using sawtooth wave generator |
| D. | Using sine wave generator |
| Answer» B. Using triangular wave generator | |
| 2. |
How to obtain symmetrical waveform in Astable multivibrator? |
| A. | Use clocked RS flip-flop |
| B. | Use clocked JK flip-flop |
| C. | Use clocked D-flip-flop |
| D. | Use clocked T-flip-flop |
| Answer» C. Use clocked D-flip-flop | |
| 3. |
How to achieve 50% duty cycle in adjustable rectangular wave generator? (Assume R1 –> Resistor connected between supply and discharge and R2 –> Resistor connected between discharge and trigger input.)$ |
| A. | R<sub>1</sub> < R<sub>2</sub> |
| B. | R<sub>1</sub> > R<sub>2</sub> |
| C. | R<sub>1</sub> = R<sub>2</sub> |
| D. | R<sub>1</sub> ‚â• R<sub>2</sub> |
| Answer» D. R<sub>1</sub> ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ѭ¢ R<sub>2</sub> | |
| 4. |
Astable multivibrator operating at 150Hz has a discharge time of 2.5m. Find the duty cycle of the circuit. |
| A. | 50% |
| B. | 75% |
| C. | 95.99% |
| D. | 37.5% |
| Answer» E. | |
| 5. |
Free running frequency of Astable multivibrator? |
| A. | f=1.45/(R<sub>A</sub>+2R<sub>B</sub>)C |
| B. | f=1.45(R<sub>A</sub>+2R<sub>B</sub>)C |
| C. | f=1.45C/(R<sub>A</sub>+2R<sub>B</sub>) |
| D. | f=1.45 R<sub>A</sub>/( R<sub>A</sub>+R<sub>B</sub>) |
| Answer» B. f=1.45(R<sub>A</sub>+2R<sub>B</sub>)C | |