MCQOPTIONS
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MCQOPTIONS
This section includes 570 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.
| 551. |
In Solar System, the huge ball sun is classified as |
| A. | star |
| B. | planet |
| C. | asteroid |
| D. | comet |
| Answer» B. planet | |
| 552. |
The planet Neptune was discovered by |
| A. | Galileo Galilee |
| B. | Edwin Hubble |
| C. | William Herschel |
| D. | Johann Galle |
| Answer» E. | |
| 553. |
Primarily human pathogenic bacteria is/are , |
| A. | S paratyphi A |
| B. | Salmonella typhi |
| C. | all of these |
| D. | S paratyphi B |
| Answer» D. S paratyphi B | |
| 554. |
In the black hole, the volume of singular region is |
| A. | 5000 tons |
| B. | zero |
| C. | infinite |
| D. | 1000 tons |
| Answer» C. infinite | |
| 555. |
If a surface on an object is parallel to one of the principal planes of projection, then the angular relationship of that surface to at least two other principal projection planes is: |
| A. | perpendicular |
| B. | parallel |
| C. | unknown |
| D. | inclined |
| Answer» B. parallel | |
| 556. |
When open site working, serious porosity in metal arc welds is brought to your attention. Whatwould you investigate |
| A. | Power plant type |
| B. | Electrode type |
| C. | Day temperature |
| D. | Electrode storage |
| Answer» E. | |
| 557. |
Which of the following country has clinched the title of Azlan Shah Cup Hockey Tournament for 2012? |
| A. | Australia |
| B. | Pakistan |
| C. | New Zealand |
| D. | India |
| Answer» D. India | |
| 558. |
"Federation Cup" in India is associated with which game? |
| A. | Badminton |
| B. | Football |
| C. | Hockey |
| D. | Basketball |
| Answer» C. Hockey | |
| 559. |
The gas giants Jupiter and Saturn are mainly composed of |
| A. | hydrogen and argon |
| B. | hydrogen and helium |
| C. | hydrogen and methane |
| D. | hydrogen and carbon dioxide |
| Answer» C. hydrogen and methane | |
| 560. |
People who are suffering from Emphysema |
| A. | manage to oxygenate the blood in lungs |
| B. | have very low rate of breathing |
| C. | blood pressure decreases in pulmonary artery |
| D. | right side of the heart increases |
| Answer» E. | |
| 561. |
In march equinox, the beginning of spring season was marked on |
| A. | east of equator |
| B. | west of equator |
| C. | north of equator |
| D. | south of equator |
| Answer» D. south of equator | |
| 562. |
Who among the following cricketers has been declared the "Cricketer of the Twentieth Century" by the ICC? |
| A. | Shane Warne |
| B. | Kapil Dev |
| C. | Sunil Gavaskar |
| D. | Brian Lara |
| Answer» B. Kapil Dev | |
| 563. |
World health day is celebrated on |
| A. | December 31st |
| B. | March 24th |
| C. | April 7th |
| D. | April 14th |
| Answer» D. April 14th | |
| 564. |
The first man made craft Venera 3 was launched by |
| A. | United States |
| B. | China |
| C. | Soviet Union |
| D. | Great Britain |
| Answer» D. Great Britain | |
| 565. |
THE_SI_UNITS_OF_TRANSCONDUCTANCE_IS?$ |
| A. | Ampere/ volt |
| B. | Volt/ ampere |
| C. | Ohm |
| D. | Siemens |
| Answer» B. Volt/ ampere | |
| 566. |
Which of the following represents the correct mathematical form of the term denoted by the symbol Rp?$ |
| A. | ß/gm |
| B. | Vt/Ib |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 567. |
A designer wishes to create a BJT amplifier with a gm of 50 mA/V and a base input resistance of 2000 O or more. What emitter bis current should he choose? |
| A. | 1.06 mA |
| B. | 1.16 mA |
| C. | 1.26 mA |
| D. | 1.36 mA |
| Answer» D. 1.36 mA | |
| 568. |
A designer wishes to create a BJT amplifier with a gm of 50 mA/V and a base input resistance of 2000 O or more. What is the minimum ß he can tolerate for the transistor used?$ |
| A. | 100 |
| B. | 150 |
| C. | 200 |
| D. | 250 |
| Answer» B. 150 | |
| 569. |
A transistor operating with nominal gm of 60 mA/V has a ß that ranges from 50 to 200. Also, the bias circuit, being less than ideal, allows a 20% variation in Ic. What is the smallest value found of the resistance looking into the base?$ |
| A. | 347 ohm |
| B. | 694 ohm |
| C. | 1041 ohm |
| D. | 1388 ohm |
| Answer» C. 1041 ohm | |
| 570. |
A transistor with ß = 120 is biased to operate at a dc collector current of 1.2 mA. Find the value of gm. |
| A. | 12mA/V |
| B. | 24 mA/V |
| C. | 36 mA/V |
| D. | 48 mA/V |
| Answer» E. | |