MCQOPTIONS
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| 1. |
Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1K & output resistance of 250 ,are cascaded.The open circuit voltage gain of combined amplifier is_________? |
| A. | 49dB |
| B. | 51dB |
| C. | 98dB |
| D. | 102dB |
| Answer» D. 102dB | |