MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
FIND_THE_VALUE_OF_INPUT_RESISTANCE_FOR_DIFFERENTIAL_AMPLIFIER_WITH_ONE_OP-AMP._IF_R1_=_R2=100‚ÂÀ√≠¬¨¬©_AND_RF_=_R3_=5K‚ÂÀ√≠¬¨¬©.?$# |
| A. | R<sub>IFx</sub> = 110Ω; R<sub>IFy</sub> = 6.7kΩ |
| B. | R<sub>IFx</sub> = 100Ω; R<sub>IFy</sub> = 5.1kΩ |
| C. | R<sub>IFx</sub> = 150Ω; R<sub>IFy</sub> = 7.2kΩ |
| D. | R<sub>IFx</sub> = 190Ω; R<sub>IFy</sub> = 9.0kΩ |
| Answer» C. R<sub>IFx</sub> = 150‚âà√≠¬¨¬©; R<sub>IFy</sub> = 7.2k‚âà√≠¬¨¬© | |
| 2. |
What_is_the_net_output_voltage_for_differential_amplifier_with_one_op-amp$ |
| A. | V<sub>o</sub> = -(R<sub>F</sub> /R<sub>1</sub>)*V<sub>x</sub> |
| B. | V<sub>o</sub> = -(R<sub>F</sub> /R<sub>1</sub>)*(V<sub>x</sub> -V<sub>y</sub>) |
| C. | V<sub>o</sub> = (1+R<sub>F</sub> /R<sub>1</sub>)*(V<sub>x</sub> -V<sub>y</sub>) |
| D. | None of the mentioned |
| Answer» C. V<sub>o</sub> = (1+R<sub>F</sub> /R<sub>1</sub>)*(V<sub>x</sub> -V<sub>y</sub>) | |
| 3. |
The gain of differential amplifier with one op-amp is same as that o? |
| A. | The inverting amplifier |
| B. | The non-inverting amplifier |
| C. | Both inverting and non-inverting amplifier |
| D. | None of the mentioned |
| Answer» B. The non-inverting amplifier | |
| 4. |
The difference between the input and output voltage are -1v and 17v. Calculate the closed loop voltage gain of differential amplifier with one op-amp? |
| A. | -51 |
| B. | 34 |
| C. | -17 |
| D. | 14 |
| Answer» D. 14 | |
| 5. |
Compute the output voltage if the input voltage is reduced to zero in differential amplifier with one op-amp? |
| A. | Inverted Voltage |
| B. | Same as the input voltage |
| C. | Amplified inverted voltage |
| D. | Cannot be determined |
| Answer» E. | |
| 6. |
What will be the output voltage when Vx =0v? |
| A. | |
| B. | V<sub>o</sub> = -(1+R <sub>F</sub>/R<sub>1</sub>)*V<sub>1</sub> |
| C. | V<sub>o</sub> = -(1- R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub> |
| D. | V<sub>o</sub> = (1+ R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub> |
| Answer» D. V<sub>o</sub> = (1+ R <sub>F</sub>/ R<sub>1</sub>)*V<sub>1</sub> | |
| 7. |
Which of the following is a combination of inverting and non-inverting amplifier? |
| A. | Differential amplifier with one op-amp |
| B. | Differential amplifier with two op-amps |
| C. | Differential amplifier with three op-amps |
| D. | Differential amplifier with four op-amps |
| Answer» B. Differential amplifier with two op-amps | |
| 8. |
Why differential amplifiers are preferred for instrumentation and industrial applications? |
| A. | Input resistance is low |
| B. | Produce amplified output |
| C. | Amplify individual input voltage |
| D. | Reject common mode voltage |
| Answer» E. | |