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disp('chapter 1 ex1.3')
disp('given')
disp("R2=8.2Kohms,R1=270ohms")//given resistor values
R1=270
R2=8200
Av=R2/R1
disp("voltage gain of inverting amplifier")
disp(Av)
disp("new voltage gain given=60")
Av1=60
R1n=R2/Av1
disp("new value of R1")
disp('Ohms',R1n)
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