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+//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex1_1.sce.
+
+clc;
+clear;
+P=200;            //power rating of lamp in watts
+V=110;             //voltage rating of lamp in volts
+
+//case1
+printf("\n(a)")
+I=(P/V);
+printf("\nCurrent in the lamp=%f A",I)
+
+//case2
+printf("\n(b)")
+T=1;               //time in hour for electric charge flow through the lamp
+t=T*60*60;         //time in seconds for electric charge flow through the lamp
+q=I*t;
+printf("\nElectric charge flowing through the lamp for one hour=%f coloumb",q)
+
+//case3
+printf("\n(c)")
+Numberofdaysinmay=31;
+time=10;                     //on time of lamp in hour per day
+unitcharge=1.20;             //electricity charge in rupees (1kwhr = 1unit)
+t1=time*Numberofdaysinmay;   //on time of lamp  in hour per month 
+Energyconsumed=P*t1;         //consumption of energy in watt-hour
+Energyconsumedinkwhr=Energyconsumed/(1e3);//consumption of energy in kilowatt-hour
+charges=Energyconsumedinkwhr*unitcharge;
+printf("\nCharge for electricity=%f rupees",charges)
+