The Op-Amp That Tried to Output -10 V on ยฑ5 V Rails
The gain equation requests -10 V, but the amplifier only has ยฑ5 V rails.
Solve This Question โ The full solution unlocks after the investigation.
FE Electrical & Computer ยท Electronics
FE Electronics Practice Questions
Solve FE-style Electronics questions and learn the reasoning behind each answer through interactive engineering cases.
Interactive problemsโขReasoning explainedโขSolutions included
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PRACTICE SET
FE Electronics Practice Questions
Choose a question and solve it before reading the final engineering verdict.
QUESTION01
The Op-Amp That Tried to Output -10 V on ยฑ5 V Rails
The gain equation requests -10 V, but the amplifier only has ยฑ5 V rails.
Solve โ
QUESTION02
The Transistor That Refused to Amplify 100ร
An NPN switch has VCC = 5 V, Rc = 100 ฮฉ, ฮฒ = 100, and Ib = 1 mA. ฮฒIb predicts 100 mA, but with VCE(sat) โ 0.2 V the collector circ
Solve โ
QUESTION03
The Protection Diode That Starved the 5 V Sensor
The reverse-polarity protection worked, but the 5 V sensor would not start.
Solve โ
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What should I practice in FE Electronics?
Practice the calculations, assumptions, constraints, and failure modes that appear around this topic. Each question here is designed to test whether you can apply the concept when the obvious calculation is not the whole engineering decision.