Transistors

1. The output impedance of a transistor connected in ___________ arrangement is the highest

common emitter
common collector
common base
none of the above

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the highest" class="read-more button" href="https://exam.pscnotes.com/mcq/the-output-impedance-of-a-transistor-connected-in-___________-arrangement-is-the-highest/#more-59815">Detailed SolutionThe output impedance of a transistor connected in ___________ arrangement is the highest

2. A transistor is connected in CB mode. If it is not connected in CE mode with same bias voltages, the values of IE, IB and IC will ___________

remain the same
increase
decrease
none of the above

Detailed SolutionA transistor is connected in CB mode. If it is

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not connected in CE mode with same bias voltages, the values of IE, IB and IC will ___________

3. The collector of a transistor is ___________ doped

heavily
moderately
lightly
none of the above

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href="https://exam.pscnotes.com/mcq/the-collector-of-a-transistor-is-___________-doped/#more-59706">Detailed SolutionThe collector of a transistor is ___________ doped

4. If Q of an LC circuit increases, then bandwidth ___________

Increases
Decreases
Remains the same
Insufficient data

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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/if-q-of-an-lc-circuit-increases-then-bandwidth-___________/#more-59574">Detailed SolutionIf Q of an LC circuit increases, then bandwidth ___________

5. A tuned amplifier is generally operated in ___________ operation

Class A
Class C
Class B
None of the above

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class="read-more button" href="https://exam.pscnotes.com/mcq/a-tuned-amplifier-is-generally-operated-in-___________-operation/#more-59256">Detailed SolutionA tuned amplifier is generally operated in ___________ operation

6. The phase difference between the input and output voltages in a common base arrangement is ___________

180°
90°
270°
0°

Detailed SolutionThe phase difference

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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
between the input and output voltages in a common base arrangement is ___________

7. Operating point represents ___________

Values of IC and VCE when signal is applied
The magnitude of signal
Zero signal values of IC and VCE

Detailed SolutionOperating point represents ___________

8. The voltage gain in a transistor connected in ___________ arrangement is the highest

common base
common collector
common emitter
none of the above

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button" href="https://exam.pscnotes.com/mcq/the-voltage-gain-in-a-transistor-connected-in-___________-arrangement-is-the-highest/#more-58322">Detailed SolutionThe voltage gain in a transistor connected in ___________ arrangement is the highest

9. In a transistor, the base current is about ___________ of emitter current

25%
20%
35%
5%

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button" href="https://exam.pscnotes.com/mcq/in-a-transistor-the-base-current-is-about-___________-of-emitter-current/#more-58173">Detailed SolutionIn a transistor, the base current is about ___________ of emitter current

10. IC = [a/(1 – a )] IB + [. . . . . . . . /(1 – a)]?

ICBO
ICEO
IC
IE

Detailed SolutionIC = [a/(1 –

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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
a )] IB + [. . . . . . . . /(1 – a)]?

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