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+clear
+//
+//given
+e=3300
+f=50
+n1=600
+n2=80
+bm=1.2
+h=425
+l=1.6
+density=7400
+loss=1.5
+//case a
+phym=e/(4.44*f*n1)
+csa=phym/bm
+printf("\n cross sectional area= %e m2",csa)
+//case b
+sv=(e*n2)/n1
+printf("\n secondary voltage on no load= %0.1f V",sv)
+//case c
+mc=(h*l)/n1
+printf("\n primary magnetising current= %0.1f A",mc)
+//case d
+v=l*csa
+m=v*density
+closs=m*loss
+printf("\n core loss= %0.1f W",closs)