MCQOPTIONS
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MCQOPTIONS
| 1. |
Find the value of input resistance for differential amplifier with one op-amp. If R1 = R2=100 and RF = R3 =5k . |
| A. | R<sub>IFx</sub> = 110 ; R<sub>IFy</sub> = 6.7k |
| B. | R<sub>IFx</sub> = 100 ; R<sub>IFy</sub> = 5.1k |
| C. | R<sub>IFx</sub> = 150 ; R<sub>IFy</sub> = 7.2k |
| D. | R<sub>IFx</sub> = 190 ; R<sub>IFy</sub> = 9.0k |
| Answer» C. R<sub>IFx</sub> = 150 ; R<sub>IFy</sub> = 7.2k | |