ATT TEST 8 EXAM LATEST 2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND100% CORRECT ANSWERSWITH RATIONALES (100% VERIFIED ANSWERS) |ALREADY GRADED A+

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ATT TEST 8 EXAM LATEST 2025/2026 ACTUAL EXAM

WITH COMPLETE QUESTIONS AND100% CORRECT

ANSWERSWITH RATIONALES (100% VERIFIED

ANSWERS) |ALREADY GRADED A+

When reverse biased higher than Vz, what is the output

voltage of shunt regulator? - ANSWER-Vz




Which component changes resistances to maintain

constant V out (zener diode regulator)? - ANSWER-Q1




Which component sets output voltage (zener diode

regulator)? - ANSWER-D1 (holds Q1 at Vz)

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The voltage on emitter is established by what in zener

diode regulator? - ANSWER-Action of Q1




If voltage increases what must happen to keep output

voltage constant (zener diode regulator)? - ANSWER-Q1

collector-emitter resistance must increase




If voltage decreases what must happen to keep output

voltage constant (zener diode regulator)? - ANSWER-Q1

collector-emitter resistance must decrease




In a voltage regulator, which component maintains a

constant V out? - ANSWER-Q1

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In a voltage regulator, which components set voltage? -

ANSWER-D1 and Q2




What does R2 do in voltage regulator? - ANSWER-Varies

conduction of Q2 (changes Vce)




If input voltage increases in voltage regulator, Q2 must do

what to maintain constant output? - ANSWER-Increase

resistance to drop more voltage (voltage of Q2 increase)




If input voltage decreases in voltage regulator, Q2 must do

what to maintain constant output? - ANSWER-Decrease

resistance to drop less voltage (voltage of Q2 decrease)