Transistors

72. For germanium transistor amplifier, VCE should ___________ for faithful amplification

Be zero
Be 0.2 V
Not fall below 0.7 V
None of the above

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class="read-more button" href="https://exam.pscnotes.com/mcq/for-germanium-transistor-amplifier-vce-should-___________-for-faithful-amplification/#more-47583">Detailed SolutionFor germanium transistor amplifier, VCE should ___________ for faithful amplification
href="https://exam.pscnotes.com/mcq/at-series-resonance-the-phase-angle-between-applied-voltage-and-circuit-is-___________/#more-47496">Detailed SolutionAt series resonance, the phase angle between applied voltage and circuit is ___________

74. The Q of an LC circuit is given by ___________

2pfr x R
R / 2pfrL
2pfrL / R
R2/2pfrL

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button" href="https://exam.pscnotes.com/mcq/the-q-of-an-lc-circuit-is-given-by-___________/#more-47494">Detailed SolutionThe Q of an LC circuit is given by ___________

75. A resonant circuit contains ___________ elements

R and L only
R and C only
Only R
L and C

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class="read-more button" href="https://exam.pscnotes.com/mcq/a-resonant-circuit-contains-___________-elements/#more-47442">Detailed SolutionA resonant circuit contains ___________ elements

76. The stabilisation of operating point in potential divider method is provided by ___________

RE consideration
RC consideration
VCC consideration
None of the above

Detailed Solution

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class="screen-reader-text">The stabilisation of operating point in potential divider method is provided by ___________

77. Double tuned circuits are used in ___________ stages of a radio receiver

IF
Audio
Output
None of the above

Detailed

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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

SolutionDouble tuned circuits are used in ___________ stages of a radio receiver

78. The Q of a tuned circuit refers to the property of ___________

Sensitivity
Fidelity
Selectivity
None of the above

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0 576 512"> Subscribe on YouTube ___________" class="read-more button" href="https://exam.pscnotes.com/mcq/the-q-of-a-tuned-circuit-refers-to-the-property-of-___________/#more-47079">Detailed SolutionThe Q of a tuned circuit refers to the property of ___________

79. In a base resistor method, if the value of ß changes by 50, then collector current will change by a factor

25
50
100
200

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by a factor" class="read-more button" href="https://exam.pscnotes.com/mcq/in-a-base-resistor-method-if-the-value-of-a%c2%9f-changes-by-50-then-collector-current-will-change-by-a-factor/#more-47076">Detailed SolutionIn a base resistor method, if the value of ß changes by 50, then collector current will change by a factor

80. The zero signal IC is generally ___________ mA in the initial stages of a transistor amplifier

4
1
3
More than 10

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transistor amplifier" class="read-more button" href="https://exam.pscnotes.com/mcq/the-zero-signal-ic-is-generally-___________-ma-in-the-initial-stages-of-a-transistor-amplifier/#more-47047">Detailed SolutionThe zero signal IC is generally ___________ mA in the initial stages of a transistor amplifier
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