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clear//
//Variables
RS = 500.0 //Series resistance (in ohm)
RL = 1.0 //Load resistance (in kilo-ohm)
VZ = 10.0 //Zener voltage (in volts)
IZmin = 5.0 //Minimum Zener current (in milli-Ampere)
IZmax = 55.0 //Maximum Zener current (in milli-Ampere)
//Calculation
IL = VZ / RL //Load current (in milli-Ampere)
VSmin = (IL + IZmin) * RS * 10**-3 + VZ //Minimum value of input voltage (in volts)
VSmax = (IL + IZmax) * RS * 10**-3 + VZ //Maximum value of input voltage (in volts)
//Result
printf("\n The minimum value of voltage level at input is %0.3f V and the maximum is %0.3f V.",VSmin,VSmax)
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