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clear//
//Variables
Av = 60.0 //Voltage gain
A1v = 80.0 //Voltage gain with negative feedback
//Calculation
beta = (1 - Av/A1v ) / Av //feedback ratio
beta1 = 1/Av //feedback ratio which causes oscillation
//Result
printf("\n Value of feedback ratio is %0.3f .\nThe percentage of feedback which causes oscillation is %0.1f percentage.",beta,beta1*100)
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