Transistors

31. If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling

Loose
Tight
Critical
None of the above

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circuit should have ___________ coupling" class="read-more button" href="https://exam.pscnotes.com/mcq/if-a-high-degree-of-selectivity-is-desired-then-double-tuned-circuit-should-have-___________-coupling/#more-55509">Detailed SolutionIf a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling

32. At parallel resonance, the ratio $$\frac{{\text{L}}}{{\text{C}}}$$ is ___________

Very large
Zero
Small
None of the above

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href="https://exam.pscnotes.com/mcq/at-parallel-resonance-the-ratio-fractextltextc-is-___________/#more-55495">Detailed SolutionAt parallel resonance, the ratio $$\frac{{\text{L}}}{{\text{C}}}$$ is ___________

33. In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________

Remains the same
Is lowered
Is raised
None of the above

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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
SolutionIn the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________

34. Transistor biasing is done to keep ___________ in the circuit

Proper direct current
Proper alternating current
The base current small
Collector current small

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SolutionTransistor biasing is done to keep ___________ in the circuit

35. In series resonance, there is ___________

Voltage amplification
Current amplification
Both voltage and current amplification
None of the above

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is ___________" class="read-more button" href="https://exam.pscnotes.com/mcq/in-series-resonance-there-is-___________/#more-55303">Detailed SolutionIn series resonance, there is ___________

36. Thermal runaway occurs when ___________

Collector is reverse biased
Transistor is not biased
Emitter is forward biased
Junction capacitance is high

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when ___________" class="read-more button" href="https://exam.pscnotes.com/mcq/thermal-runaway-occurs-when-___________/#more-55173">Detailed SolutionThermal runaway occurs when ___________

37. In a pnp transistor, the current carriers are ___________

acceptor ions
donor ions
free electrons
holes

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href="https://exam.pscnotes.com/mcq/in-a-pnp-transistor-the-current-carriers-are-___________/#more-54854">Detailed SolutionIn a pnp transistor, the current carriers are ___________

38. Transistor biasing represents ___________ conditions

a.c.
d.c.
both a.c. and d.c.
none of the above

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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 conditions" class="read-more button" href="https://exam.pscnotes.com/mcq/transistor-biasing-represents-___________-conditions/#more-54702">Detailed SolutionTransistor biasing represents ___________ conditions

39. At parallel resonance, the net reactive component circuit current is ___________

Capacitive
Zero
Inductive
None of the above

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288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 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 ___________" class="read-more button" href="https://exam.pscnotes.com/mcq/at-parallel-resonance-the-net-reactive-component-circuit-current-is-___________/#more-54665">Detailed SolutionAt parallel resonance, the net reactive component circuit current is ___________

40. The circuit that provides the best stabilization of operating point is ___________

Base resistor bias
Collector feedback bias
Potential divider bias
None of the above

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SolutionThe circuit that provides the best stabilization of operating point is ___________

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