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In the circuit shown below Op-Amp is ideal.
If breakdown voltage and cut in voltage of zaner diode is 9 V and 0.7 V respectively then value of R required to get lower threshold voltage of circuit to zero volts is,
  • a)
    0.7kΩ
  • b)
    9.7kΩ
  • c)
    11.7kΩ
  • d)
    10.3kΩ
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
In the circuit shown below Op-Amp is ideal.If breakdown voltage and c...
Op-Amp circuit is in positive feedback so it will act as Schmitt trigger circuit.
So zener diodes will be in conducting mode which mean either Z1 is FB & Z2 in breakdown or Z2 in & Z1 in breakdown.
FB = forward biased.
Applying KCL at ,
When V0 = -9.7V then Op-Amp saturated in negative saturation region.
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In the circuit shown below Op-Amp is ideal.If breakdown voltage and cut in voltage of zaner diode is 9 V and 0.7 V respectively then value of R required to get lower threshold voltage of circuit to zero volts is,a)0.7kΩb)9.7kΩc)11.7kΩd)10.3kΩCorrect answer is option 'B'. Can you explain this answer?
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In the circuit shown below Op-Amp is ideal.If breakdown voltage and cut in voltage of zaner diode is 9 V and 0.7 V respectively then value of R required to get lower threshold voltage of circuit to zero volts is,a)0.7kΩb)9.7kΩc)11.7kΩd)10.3kΩCorrect answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about In the circuit shown below Op-Amp is ideal.If breakdown voltage and cut in voltage of zaner diode is 9 V and 0.7 V respectively then value of R required to get lower threshold voltage of circuit to zero volts is,a)0.7kΩb)9.7kΩc)11.7kΩd)10.3kΩCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the circuit shown below Op-Amp is ideal.If breakdown voltage and cut in voltage of zaner diode is 9 V and 0.7 V respectively then value of R required to get lower threshold voltage of circuit to zero volts is,a)0.7kΩb)9.7kΩc)11.7kΩd)10.3kΩCorrect answer is option 'B'. Can you explain this answer?.
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