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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3745/CH1/EX1.65/Ex1_65.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3745/CH1/EX1.65/Ex1_65.sce')
| -rw-r--r-- | 3745/CH1/EX1.65/Ex1_65.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/3745/CH1/EX1.65/Ex1_65.sce b/3745/CH1/EX1.65/Ex1_65.sce new file mode 100644 index 000000000..f20c460f8 --- /dev/null +++ b/3745/CH1/EX1.65/Ex1_65.sce @@ -0,0 +1,28 @@ +// Ex 65 Page 406 + +clc;clear;close; +// Given +C=6*10**-6;//F +L=2.5;//H +R=300;//ohm + + +a=R/2/L +omega = sqrt(1/L/C-R^2/4/L^2);//rad/s +//i=Im*%e**(-a*t)*sin(omega*t+fi) +//at t=0 sec +i0=0;//A +vc=10;//V +fi=asin(i0);//degree +//L*di/dt=vc at t=0 +Im=poly([0],'Im') +function i=current(t) + i=Im*expm(-a*t)*sin(omega*t+fi) +endfunction +//i=Im*expm(-a*t)*sin(omega*t+fi) +LdiBYdt=L*numderivative(current,0) +temp = coeff(LdiBYdt) +Im=vc/temp(2) +Rn=2*sqrt(L/C);//ohm +Rad=Rn-R;//ohm +printf("Additional resistance required = %d ohm",Rad) |