blob: 2b1048f3c2318cbf9c1f52246f13cad72588d3e1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
//Chapter-6,Example 6_18_3,Page 6-39
clc()
//Given Values:
u0=4*%pi*10^-7 //Permeability in vacuum
ur=1 //Relative permeability of air
r=15*10^-2 //radius of ring in m
A=6*10^-4 //Crosss sectional area of ring in m^2
I=4 //Coil current in amp
N=500 //Number of turns
//Calculations:
m=N*I //MMF of coil
printf('MMF of coil is =%.0f Amp-turn \n \n',m)
l=2*%pi*r //air gap
R=(l/(u0*ur*A)) //Reluctance of iron ring
printf(' Reluctance of iron ring is =%.0f Amp-turn per Wb \n \n',R)
phi=m/R //Magnetic flux
printf(' Magnetic flux is =%.7f Weber \n \n',phi)
B=phi/A //Magnetic Flux density
printf(' Magnetic flux density is =%.6f Weber per m^2 \n \n',B)
H=B/(u0*ur) //Magnetic field intensity
printf(' Magnetic field intensity is =%.0f Amperes per m \n \n',H)
|
