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1. |
Consider a voltage series feedback network, where amplifier gain = 100, feedback factor = 5. For the basic amplifier, input voltage = 4V, input current=2mA. Find the input resistance of the network. |
A. | 1.002kΩ |
B. | 1002kΩ |
C. | 2kΩ |
D. | 2000kΩ |
Answer» C. 2kΩ | |