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1. |
In a receiver the input signal is 100 V, while the internal noise at the input is 10 V. With amplification the output signal is 2 V, while the output noise is 0.4 V. The noise figure of receiver is |
A. | 2 |
B. | 0.5 |
C. | 0.2 |
D. | None of the mentioned |
Answer» B. 0.5 | |