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MCQOPTIONS
This section includes 2363 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 2351. |
The portfolio which consists of all the stocks in a market is classified as |
| A. | market portfolio |
| B. | return portfolio |
| C. | correlated portfolio |
| D. | diversified portfolio |
| Answer» B. return portfolio | |
| 2352. |
Water boils at a lower temperature on the hills because |
| A. | It is cold on the hills |
| B. | There is less carbon dioxide on the hills |
| C. | There is a decrease in air pressure on the hills |
| D. | there is less oxygen |
| Answer» D. there is less oxygen | |
| 2353. |
वर्नर हाइजेनवर्ग को दूसरे विश्ब युध के बाद किस संस्थान का निदेशक बनाया | |
| A. | पेरिस वि ,विधालय |
| B. | वर्लिन वि ,विधालय |
| C. | वियना वि ,विधालय |
| D. | भौतिकी के मैक्स प्लान्क संस्थान |
| Answer» E. | |
| 2354. |
The unknown or exact value that represents the whole population is classified as |
| A. | parameters |
| B. | estimators |
| C. | absolute statistics |
| D. | coverage estimator |
| Answer» B. estimators | |
| 2355. |
Find V0 when VI is 2V.$ |
| A. | 0V |
| B. | 0.7V |
| C. | 1V |
| D. | 1.7V |
| Answer» B. 0.7V | |
| 2356. |
Consider a peak rectifier fed by a 60-Hz sinusoid having a peak value Vp = 100 V. Let the load resistance R = 10 kΩ. Calculate the fraction of the cycle during which the diode is conductin?# |
| A. | 1.06 % |
| B. | 2.12 % |
| C. | 3.18% |
| D. | 4.24% |
| Answer» D. 4.24% | |
| 2357. |
A simple diode rectifier has ‘ripples’ in the output wave which makes it unsuitable as a DC source. To overcome this one can use$ |
| A. | A capacitor in series with a the load resistance |
| B. | A capacitor in parallel to the load resistance |
| C. | Both of the mentioned situations will work |
| D. | None of the mentioned situations will work |
| Answer» C. Both of the mentioned situations will work | |
| 2358. |
The diode rectifier works well enough if the supply voltage is much than greater than 0.7V. For smaller voltage (of few hundreds of millivolt) input which of the following can be used? |
| A. | Superdiode |
| B. | Peak rectifier |
| C. | Precision rectifier |
| D. | None of the mentioned |
| Answer» B. Peak rectifier | |
| 2359. |
Which of the following is true for a bridge rectifier? |
| A. | The peak inverse voltage or PIV for the bridge rectifier is lower when compared to an identical center tapped rectifier |
| B. | The output voltage for the center tapped rectifier is lower than the identical bridge rectifier |
| C. | A transistor of higher number of coil is required for center tapped rectifier than the identical bridge rectifier |
| D. | All of the mentioned |
| Answer» E. | |
| 2360. |
Bridge rectifier is an alternative for |
| A. | Full wave rectifier |
| B. | Peak rectifier |
| C. | Half wave rectifier |
| D. | None of the mentioned |
| Answer» B. Peak rectifier | |
| 2361. |
For a half-wave rectifier having diode voltage VD and supply input of VI, the diode conducts for π – 2Θ, where Θ is given by$ |
| A. | tan<sup> -1</sup> V<sub>D</sub>/V<sub>I</sub> |
| B. | tan<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> – V<sub>I</sub> |
| C. | sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> |
| D. | sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> – V<sub>I</sub> |
| Answer» D. sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® V<sub>I</sub> | |
| 2362. |
For a half wave or full wave rectifier the Peak Inverse Voltage of the rectifier is always |
| A. | Greater than the input voltage |
| B. | Smaller than the input voltage |
| C. | Equal to the input voltage |
| D. | Greater than the input voltage for full wave rectifier and smaller for the half wave rectifier |
| Answer» C. Equal to the input voltage | |
| 2363. |
Which of the following isn’t a type of rectifier? |
| A. | Precision Half-wave Rectifier |
| B. | Bridge Rectifier |
| C. | Peak Rectifier |
| D. | None of the mentioned |
| Answer» E. | |