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diff --git a/608/CH20/EX20.02/20_02.sce b/608/CH20/EX20.02/20_02.sce
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+//Problem 20.02: An ideal transformer with a turns ratio of 2:7 is fed from a 240 V supply. Determine its output voltage.
+
+//initializing the variables:
+tr = 2/7;  // turns ratio
+V1 = 240; // in Volts
+
+//calculation:
+//A turns ratio of 2:7 means that the transformer has 2 turns on the primary for every 7 turns on the secondary
+V2 = V1/tr
+
+printf("\n\n Result \n\n")
+printf("\n output voltage %.0f V",V2)
+\ No newline at end of file