The noise factor of an ideal amplifier expressed in db is_____________?
Correct answer: A. 0
- A. 0
- B. 1
- C. 1
- D. 10
Explanation
An ideal amplifier adds no noise, so its noise factor is 1 in ratio form and 10 log₁₀(1) = 0 dB. The duplicate options marked 1 are not the decibel value.
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