McqMate
| Q. |
A differential amplifier is capable of amplifying |
| A. | dc input signal only |
| B. | ac input signal only |
| C. | ac & dc input signal |
| D. | none of the mentioned |
| Answer» C. ac & dc input signal | |
| Explanation: direct connection between stages removes the lower cut off frequency imposed by coupling capacitor; therefore it can amplify both ac and dc signal. | |
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