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. |
What will be the oscillator frequency of Hartley oscillator if inductance L1, L2 are equal to 1mH and 2mH respectively and capacitor C is 10nF. (Neglect mutual inductance) |
| A. | 50KHz |
| B. | 29KHz |
| C. | 40KHz |
| D. | 57 kHz |
| E. | 50KHzb) 29KHzc) 40KHzd) 57 kHz |
| Answer» C. 40KHz | |
| 2. |
Example for a self-limiting oscillator is __________ |
| A. | Hartley oscillator |
| B. | Weinbridge Oscillator |
| C. | RC phase shift oscillator |
| D. | Astable multivibrator |
| Answer» B. Weinbridge Oscillator | |
| 3. |
The Hartley oscillator is less preferred than due to Colpitts oscillator’s performance in __________ |
| A. | All frequency region |
| B. | Mid frequency region |
| C. | High frequency region |
| D. | Low frequency region |
| Answer» D. Low frequency region | |
| 4. |
Hartley oscillator make use of ________ amplifiers. |
| A. | Class A |
| B. | Class B |
| C. | Class C |
| D. | Class D |
| Answer» D. Class D | |
| 5. |
The phase difference produced by the active element of Hartley oscillator is __________ |
| A. | 0 degree |
| B. | 180 degree |
| C. | 90 degree |
| D. | 120 degree |
| Answer» C. 90 degree | |
| 6. |
The gain device in the Hartley oscillator act as a __________ |
| A. | Low pass filter |
| B. | High pass filter |
| C. | Band pass filter |
| D. | Band rejection filter |
| Answer» D. Band rejection filter | |
| 7. |
Phase shift provided by the overall tank circuit in Hartley oscillator is __________ |
| A. | 0 degree |
| B. | 90 degree |
| C. | 180 degree |
| D. | -90 degree |
| Answer» D. -90 degree | |
| 8. |
Which configuration of the transistor amplifier is used for Hartley oscillator? |
| A. | Common emitter amplifier |
| B. | Common collector amplifier |
| C. | Common base amplifier |
| D. | Combination of both common emitter and common collector |
| Answer» B. Common collector amplifier | |
| 9. |
If L1 and L2 are the inductance used in the Hartley oscillator, the effective inductance in the equation of frequency calculation is equal to (Without considering mutual inductance). |
| A. | (L1×L2)/(L1+L2) |
| B. | L22/(L1+L2) |
| C. | L1+L2 |
| D. | L1-L2 |
| E. | .a) (L1×L2)/(L1+L2)b) L22/(L1+L2)c) L1+L2d) L1-L2 |
| Answer» D. L1-L2 | |