Question: An ideal OPAMP has a gain of – 100. The input is connected to inverting end and the input resistance is 1 KΩ. The value of feedback resistance is :
Answer:
MCQ: An ideal OPAMP has a gain of – 100. The input is connected to inverting end and the input resistance is 1 KΩ. The value of feedback resistance is :
Correct Answer:
A. 101 KΩ
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Related Questions
- 1. The properties of an ideal OPAMP are,
- 2. The closed loop gain of an OPAMP is dependent upon whether the OPAMP is used,
- 3. The differential (open loop) gain of an OPAMP is 20,000. The input resistance is 2 kΩ and the feedback resistor has a value of 200 kΩ. the closed loop gain of the amplifier is :
- 4. A buffer amplifier has gain of
- 5. An operational amplifier has a bandwidth of 100kHz. Negative feedback is introduced with a loop gain of 50. The bandwidth with feedback is
- 6. The order of input resistance of 741 OPAMP is,
- 7. The order of output resistance of 741 OPAMP is,
- 8. The gain of a 741 OPAMP falls off at a low frequency of,
- 9. An OPAMP having an open loop gain of A<sub>vol</sub> is designed with feed factor β where β = R<sub>1</sub>/(R<sub>1</sub>+ R<sub>f</sub> ) is the input resistance connected to non-inverting end and R is the resistance in the feedback path, the closed loop gain is :
- 10. An OPAMP having an open loop gain is designed with a loop gain (A<sub>vol</sub> β) where β = R<sub>1</sub>/(R<sub>1</sub>+ R<sub>f</sub> ) with R<sub>1</sub> = resistance connected to non-inverting end and R<sub>f</sub> = resistance connected in the feedback path, the input resistance of the amplifier (R<sub>inf</sub>) with feedback is :
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