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diff --git a/3754/CH3/EX3.31/3_31.sce b/3754/CH3/EX3.31/3_31.sce
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+clear//
+
+//Variables
+
+R = 750.0 //Resistance (in ohm)
+I = 32.0 //Current (in milliAmpere)
+
+//Calculation
+
+P = I**2 * 10**-6 * R //Power (in watt)
+
+//Result
+
+printf("\n Power consumed by relay coil is %0.3f mW.",P*1000)