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diff --git a/1574/CH7/EX7.2/N_Ex_7_2.sce b/1574/CH7/EX7.2/N_Ex_7_2.sce
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+clc
+//Chapter7
+//Example7.2, page no 276
+//Given
+mue=25//
+rp=5e3
+Rl=10e3
+C=1e-9
+gm=mue/rp
+Req=2.5/gm
+//disp(Req , gm)
+k=1.381e-23
+T=293
+R1=1e5
+// Power density spectrum for respective res
+d1=2*k*T*R1
+d2=2*k*T*Req
+d3=2*k*T*Rl
+xo=0
+x1=1e14
+w=0:%inf
+//H1(w)=(-gm*rp*Rl)/(rp+Rl+(%i*w*rp*Rl*C))
+Vo=sqrt((20231.65e2/%pi)*integrate('1/(((3e9)^2)+(w^2))','w',xo,x1))
+mprintf('The mean square noise voltage is: %f mV',Vo*1e3)
+
+
diff --git a/1574/CH7/EX7.2/Result_of_Chapter_7_Ex7_2.JPG b/1574/CH7/EX7.2/Result_of_Chapter_7_Ex7_2.JPG
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index 000000000..5cfc7d39c
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