Transistors

41. A tuned amplifier is used in ___________ applications

Radio frequency
Low frequency
Audio frequency
None of the above

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applications" class="read-more button" href="https://exam.pscnotes.com/mcq/a-tuned-amplifier-is-used-in-___________-applications/#more-44865">Detailed SolutionA tuned amplifier is used in ___________ applications

42. ICEO = () ICBO

ß
1 + a
1 + ß
none of the above

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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/iceo-icbo/#more-44622">Detailed SolutionICEO = () ICBO

43. If biasing is not done in an amplifier circuit, it results in ___________

Decrease in the base current
Unfaithful amplification
Excessive collector bias
None of the above

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results in ___________" class="read-more button" href="https://exam.pscnotes.com/mcq/if-biasing-is-not-done-in-an-amplifier-circuit-it-results-in-___________/#more-44243">Detailed SolutionIf biasing is not done in an amplifier circuit, it results in ___________

44. The most commonly used semiconductor in the manufacture of a transistor is ___________

germanium
silicon
carbon
none of the above

Detailed SolutionThe most commonly

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used semiconductor in the manufacture of a transistor is ___________

45. The disadvantage of voltage divider bias is that it has ___________

High stability factor
Low base current
Many resistors
None of the above

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button" href="https://exam.pscnotes.com/mcq/the-disadvantage-of-voltage-divider-bias-is-that-it-has-___________/#more-43877">Detailed SolutionThe disadvantage of voltage divider bias is that it has ___________

46. In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then ___________

XL increases and XC decreases
XL decreases and XC increases
Both XL and XC increase
Both XL and XC decrease

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81.2z"/> Subscribe on YouTube class="screen-reader-text">In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then ___________

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