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diff --git a/1691/CH6/EX6.6/Exmp6_6.sce b/1691/CH6/EX6.6/Exmp6_6.sce
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+//Example 6.6
+clc
+disp("R_L = 4 k-ohm,  (P_ac)_D = 0.85 W")
+disp("The current without signal is I_CQ = 31 mA")
+disp("The current with signal is I_CQ + B0 = 34 mA")
+disp("The increase is due to harmonic content in the signal")
+disp("Therefore,  B0 = 34 - 31 = 3 mA")
+disp("But,  B2 = B0 = 3 mA")
+disp("Now  (P_ac)_D = P_ac * [1+D2^2]      ... Assuming only second harmonic")
+disp("Therefore,  (P_ac)_D = 1/2*B1^2*R_L * [1 + B2^2/B1^2]")
+disp("Therefore,  (P_ac)_D = 1/2*B1^2*R_L + 1/2*B2^2*R_L")
+disp("0.85 = 1/2*B1^2*(4*10^3) + 1/2*(9*10^-6)*(4*10^3)")
+disp("Therefore,  B1 = 20.396 mA")
+d2=300/20.396
+format(7)
+disp(d2,"Therefore,  D2(in percentage) = |B2|/|B1| * 100 =")