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+//Problem 41.10: The attenuator shown in Figure 41.15 feeds a matched load. Determine (a) the characteristic impedance R0, and (b) the insertion loss in decibels.
+
+//initializing the variables:
+R1 = 300; // in ohm
+R2 = 450; // in ohm
+I1 = 1; // in ampere (lets say)
+
+//calculation:
+//the characteristic impedance of a symmetric T-pad attenuator is given by
+R0 = (R1^2 + 2*R1*R2)^0.5
+//By current division
+//current I2
+I2 = (R2/(R2 + R1+ R0))*I1
+ri = I1/I2; // ratio of currents
+//insertion loss
+il = 20*log10(ri)
+
+printf("\n\n Result \n\n")
+printf("\n the characteristic impedance is %.0f ohm",R0)
+printf("\n insertion loss is %.2f dB",il)
+\ No newline at end of file