MCQ Practice Question Control SystemsStability Margins If the gain margin ratio is 2, its value in decibels is approximately? A3.01 dB B6.02 dB C10 dB D20 dB Show AnswerHide AnswerReport an error Correct Answer: B. 6.02 dB Explanation: GM(dB)=20log10(2)≈6.02 dB.Reference: Standard control systems: stability margins