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diff --git a/876/CH4/EX4.4/Ex4_4.sce b/876/CH4/EX4.4/Ex4_4.sce
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+//caption:Find deflection of the galvenometer
+//Ex4.4
+clc
+clear
+close
+R1=80//resistance of first arm(in ohm)
+R2=800//resistance of second arm(in ohm)
+R3=160//resistance of third arm(in ohm)
+R4=1605//resistance of fourth arm(in ohm)
+E=4//battery voltage(in V)
+S=8//galvenometer sensitivity(in milimeter per micro ampere)
+Ro=80//internal resistance of the galvenometer(in ohm)
+Eth=E*(R1/(R1+R3)-R2/(R2+R4))
+Rth=R1*R3/(R1+R3)+R2*R4/(R2+R4)
+Ig=Eth/(Rth+Ro)
+D=S*Ig
+disp(D,'deflection of the galvenometer(in m)=')
+\ No newline at end of file