initial commit / add all books

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diff --git a/569/CH5/EX5.43/5_43.sci b/569/CH5/EX5.43/5_43.sci
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+// calculate peak to peak voltage swing under open and loaded conditions

+// calculate maximum change in crystal thickness

+clc;

+d=2*10^-12;

+t=1*10^-3;

+Fmax=0.01;

+e0=8.85*10^-12;

+er=5;

+A=100*10^-6;

+Eo_peak_to_peak=2*d*t*Fmax/(e0*er*A);

+disp(Eo_peak_to_peak,'peak voltage swing under open conditions')

+Rl=100*10^6;

+Cl=20*10^-12;

+d1=1*10^-3;

+Cp=e0*er*A/d1;

+C=Cp+Cl;

+w=1000;

+m=[w*Cp*Rl/[1+(w*C*Rl)^2]^0.5];

+El_peak_to_peak=[2*d*t*Fmax/(e0*er*A)]*m;

+

+disp(El_peak_to_peak,'peak voltage swing under loaded conditions')

+E=90*10^9;

+dt=2*Fmax*t/(A*E);

+disp(dt,'maximum change in crystal thickness (m)')
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