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+//Chapter-7,Example7_9,pg 7-33
+Rm=50
+Im=2*10^-3
+//for position V4 multipler is R4
+V4=10
+R4=(V4/Im)-Rm//Rs=(V/Im)-RmV3 m
+//for position V3 multipler is R3+R4
+V3=50
+R3=(V3/Im)-Rm-R4
+//for position V2 multiplier is R2+R3+R4
+V2=100
+R2=(V2/Im)-Rm-R3-R4
+//for position V1 multiplier is R1+R2+R3+R4
+V1=500
+R1=(V1/Im)-Rm-R3-R4-R2
+printf("series string of multipliers\n")
+printf("R1=%.2f ohm\n",R1)
+printf("R2=%.2f ohm\n",R2)
+printf("R3=%.2f ohm\n",R3)
+printf("R4=%.2f ohm\n",R4)