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+clc
+clear
+
+//input
+r=30;//resistance of a resistance in ohms which is connected in parallel with a bank of capacitors
+c=80*(10^-6);//capacitance of bank of capacitors in farad
+v=240;//supply voltage in volts
+f=50;//supply frequency in hertz
+
+//calculations
+i1=v/r;//current in phase with the voltage in amperes
+i2=v*2*%pi*f*c;;//current leading on voltage by 90 degrees in amperes
+i=((i1^2)+(i2^2))^0.5;//total current in amperes
+phi=(180/%pi)*acos(i1/i);//phase angle in degrees
+
+//output
+mprintf('the total current is %3.0f A leading on the voltage by %3.0f degrees',i,phi)