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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ICBO" class="read-more button" 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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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

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SolutionThe most commonly 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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that it has ___________" class="read-more 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

Detailed SolutionIn a parallel LC

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circuit, if the input signal frequency is increased above resonant frequency then ___________

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