MCQ Practice Question Analog ElectronicsAmplifier Fundamentals A voltage gain magnitude of 10 is approximately equal to? A10 dB B20 dB C40 dB D100 dB Show AnswerHide AnswerReport an error Correct Answer: B. 20 dB Explanation: Voltage gain in dB is 20 log10(10) = 20 dB.Reference: Standard analog electronics: amplifier fundamentals