AET (NCATT) 1 – 50 QUESTIONS AND
ANSWERS
C4,-R8,-R6,-and-R5---ans-✔✔1)-The-components-that-control-the-time-between-t0-and-t1-
are:
Decrease-Q1-cutoff-time---ans-✔✔2)-In-the-astable-multivibrator,-moving-the-arm-of-R6-to-
the-right-will-cause-what-to-happen?
Increase;-decrease---ans-✔✔3)-Increasing-the-resistance-of-R5-will-cause-the-astable-
mutlivibrator-out-PRT-to-______-and-the-PRF-to-_______.
R7,-R6,-R5,-Q1,-and-D1.---ans-✔✔4)-What-is-the-discharge-path-for-capacitor-C3?
Both-as-Switches---ans-✔✔5)-[App.-A,-Fig.-1]-Transistors-Q1-&-Q2-act-as-(function-as):
Cutoff-time-will-increase---ans-✔✔6)-[App.-A,-Fig.-1]-If-the-resistive-value-of-R7-is-
increased,-how-does-it-affect-Q2's-cutoff-time?
0-degree-phase-shift---ans-✔✔7)-[App.-A,-Fig.-2]-What-is-the-phase-relationship-between-
the-input-and-the-output-signals-(common-base-transistor)?
Develop-the-input-signal---ans-✔✔8)-[App.-A,-Fig.-2]-What-is-the-purpose-of-R4-in-the-
common-base-amplifier?
C1,-C2,-and-C3---ans-✔✔9)-[App.-A,-Fig.-3]-In-the-RC-coupled-amplifier;-the-low-
frequency-gain-loss-is-due-to-the-reactance-of-what-components?
Q1-and-Q2---ans-✔✔10)-[App.-A,-Fig.-3]-In-the-RC-coupled-amplifier;-the-high-frequency-
gain-loss-is-due-to-the-inter-element-capacitance-of-what-components?
Q1-off;-Q2-on---ans-✔✔11)-[App.-A,-Fig.-4]-What-is-the-quiescent-(stable)-state-of-Q1-and-
Q2-before-they-are-triggered?
R2,-Vcc,-Q1---ans-✔✔12)-[App.-A,-Fig.-4]-What-is-the-discharge-path-for-capacitor-C1,-
through?
ANSWERS
C4,-R8,-R6,-and-R5---ans-✔✔1)-The-components-that-control-the-time-between-t0-and-t1-
are:
Decrease-Q1-cutoff-time---ans-✔✔2)-In-the-astable-multivibrator,-moving-the-arm-of-R6-to-
the-right-will-cause-what-to-happen?
Increase;-decrease---ans-✔✔3)-Increasing-the-resistance-of-R5-will-cause-the-astable-
mutlivibrator-out-PRT-to-______-and-the-PRF-to-_______.
R7,-R6,-R5,-Q1,-and-D1.---ans-✔✔4)-What-is-the-discharge-path-for-capacitor-C3?
Both-as-Switches---ans-✔✔5)-[App.-A,-Fig.-1]-Transistors-Q1-&-Q2-act-as-(function-as):
Cutoff-time-will-increase---ans-✔✔6)-[App.-A,-Fig.-1]-If-the-resistive-value-of-R7-is-
increased,-how-does-it-affect-Q2's-cutoff-time?
0-degree-phase-shift---ans-✔✔7)-[App.-A,-Fig.-2]-What-is-the-phase-relationship-between-
the-input-and-the-output-signals-(common-base-transistor)?
Develop-the-input-signal---ans-✔✔8)-[App.-A,-Fig.-2]-What-is-the-purpose-of-R4-in-the-
common-base-amplifier?
C1,-C2,-and-C3---ans-✔✔9)-[App.-A,-Fig.-3]-In-the-RC-coupled-amplifier;-the-low-
frequency-gain-loss-is-due-to-the-reactance-of-what-components?
Q1-and-Q2---ans-✔✔10)-[App.-A,-Fig.-3]-In-the-RC-coupled-amplifier;-the-high-frequency-
gain-loss-is-due-to-the-inter-element-capacitance-of-what-components?
Q1-off;-Q2-on---ans-✔✔11)-[App.-A,-Fig.-4]-What-is-the-quiescent-(stable)-state-of-Q1-and-
Q2-before-they-are-triggered?
R2,-Vcc,-Q1---ans-✔✔12)-[App.-A,-Fig.-4]-What-is-the-discharge-path-for-capacitor-C1,-
through?
