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//To Calculate the Current in Circuit
//Example 38.6
clear;
clc;
E=10;//EMF of Battery in Volts
R=100;//Resistance in ohms
i0=E/R;//Initial Current in Amperes
L=20*10^-3;//Self Inductance of Inductor in Henry
tau=L/R;//Time Constant of L-R Circuit
t=1*10^-3;//Time after Short-Circuiting in seconds
i=i0*exp(-t/tau);//Current in the circuit 1 ms after short circuiting
printf("Current in the circuit 1 ms after Short Circuiting = %.1f*10^-4 A",i*10^4);
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