From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 2891/CH2/EX2.22/Ex2_22.sce | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100755 2891/CH2/EX2.22/Ex2_22.sce (limited to '2891/CH2/EX2.22') diff --git a/2891/CH2/EX2.22/Ex2_22.sce b/2891/CH2/EX2.22/Ex2_22.sce new file mode 100755 index 000000000..17fc3b4c3 --- /dev/null +++ b/2891/CH2/EX2.22/Ex2_22.sce @@ -0,0 +1,31 @@ +// Exa 2.22 +clc; +clear; +close; +// given : +f1=60 // frequency in Hz +omega1=2*%pi*f1 // angular frequency in Hz +f2=100 // frequency in MHz +f2=100*10^6 // frequency in Hz +omega2=2*%pi*f2 // angular frequency in Hz +sigma=5.8*10^7 // conductivity in mho/m +epsilon_0=8.854*10^-12 // permittivity in free space in F/m +mu_0=4*%pi*10^-7 // permeability in free space in H/m +epsilon_r=1 // relative permittivity +mu_r=1 // relative permeability +epsilon=epsilon_r*epsilon_0 // permittivity +mu=mu_0*mu_r // permeability + +disp("At f=60Hz") +k1=(sigma)/(omega1*epsilon) // ratio +disp(k1," ratio k is equal to") +disp("since k>>1 therefore it is very good conductor at f=60Hz:") +delta1=(sqrt(2/(omega1*mu*sigma))) // depth of penetration in m +disp(delta1,"depth of penetration delta1 in m:") + +disp("At f=100Hz") +k2=sigma/(omega2*epsilon) // ratio +disp(k2,"ratio k is equal to") +disp("since k2>>1 therefore it is very good conductor at f=100Hz:") +delta2=(sqrt(2/(omega2*mu*sigma))) // depth of penetration in m +disp(delta2,"depth of penetration delta2 in m:") -- cgit