Transistors Archives

11. When the temperature changes, the operating point is shifted due to .

Change in ICBO

Change in VCC

Change in the values of circuit resistance

None of the above

132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube

href="https://exam.pscnotes.com/mcq/when-the-temperature-changes-the-operating-point-is-shifted-due-to/#more-57887">Detailed Solution

12. A transistor is a ___________ operated device

current

voltage

both voltage and current

none of the above

Join Our Telegram Channel

Subscribe on YouTube

class="read-more button" href="https://exam.pscnotes.com/mcq/a-transistor-is-a-___________-operated-device/#more-57790">Detailed Solution

13. A heat sink is generally used with a transistor to ___________

increase the forward current

decrease the forward current

compensate for excessive doping

prevent excessive temperature rise

Detailed SolutionA

24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube

heat sink is generally used with a transistor to ___________

14. BC 147 transistor indicates that it is made of ___________

germanium

silicon

carbon

none of the above

Join Our Telegram Channel

47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube href="https://exam.pscnotes.com/mcq/bc-147-transistor-indicates-that-it-is-made-of-___________/#more-57716">Detailed Solution

15. The value of VBE ___________

Depends upon IC to moderate extent

Is almost independent of IC

Is strongly dependant on IC

Detailed SolutionThe value of VBE ___________

16. The leakage current in a silicon transistor is about ___________ the leakage current in a germanium transistor

One hundredth

One tenth

One thousandth

One millionth

Subscribe on YouTube

Join Our Telegram Channel

germanium transistor" class="read-more button" href="https://exam.pscnotes.com/mcq/the-leakage-current-in-a-silicon-transistor-is-about-___________-the-leakage-current-in-a-germanium-transistor/#more-57647">Detailed Solution

17. At parallel resonance, the line current is ___________

Minimum

Maximum

Quite large

None of the above

Join Our Telegram Channel

288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube href="https://exam.pscnotes.com/mcq/at-parallel-resonance-the-line-current-is-___________/#more-57444">Detailed Solution

18. Tuned class C amplifiers are used for RF signals of ___________

Low power

High power

Very high power

None of the above

Join Our Telegram Channel

Subscribe on YouTube

for RF signals of ___________" class="read-more button" href="https://exam.pscnotes.com/mcq/tuned-class-c-amplifiers-are-used-for-rf-signals-of-___________/#more-57408">Detailed Solution

19. The current IB is ___________

electron current

hole current

donor ion current

acceptor ion current

Join Our Telegram Channel

132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube ___________" class="read-more button" href="https://exam.pscnotes.com/mcq/the-current-ib-is-___________/#more-57156">Detailed Solution

20. The operating point ___________ on the a.c. load line

Also line

Does not lie

May or may not lie

Data insufficient

Join Our Telegram Channel

Subscribe on YouTube

href="https://exam.pscnotes.com/mcq/the-operating-point-___________-on-the-a-c-load-line/#more-57116">Detailed Solution

Page 1 Page 2 Page 3 Page 4 Page 5

Test 1 Test 2

Exit mobile version