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| author | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2018-02-03 11:01:52 +0530 |
| commit | 7bc77cb1ed33745c720952c92b3b2747c5cbf2df (patch) | |
| tree | 449d555969bfd7befe906877abab098c6e63a0e8 /3871/CH13/EX13.10/Ex13_10.sce | |
| parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
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Diffstat (limited to '3871/CH13/EX13.10/Ex13_10.sce')
| -rw-r--r-- | 3871/CH13/EX13.10/Ex13_10.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3871/CH13/EX13.10/Ex13_10.sce b/3871/CH13/EX13.10/Ex13_10.sce new file mode 100644 index 000000000..21bae3cdd --- /dev/null +++ b/3871/CH13/EX13.10/Ex13_10.sce @@ -0,0 +1,30 @@ +//=====================================================================================
+//Chapter 13 example 10
+
+clc;clear all;
+
+//variable declaration
+d = 0.3; //diameter in m
+a = 4*10^-4; //cross sectional area of iron ring in m**2
+N = 80; //number of turns on magnetising coil
+Ns = 30; //number of turns on secondary coil
+F = 0.1*10^-3; //flux meter constant in Wb-turn
+D = 46; //deflection factor
+I = 2; //current in A
+
+//calculations
+//phi = (N*I*u0*ur*a)/l
+// phi = x*l
+//lat x = (N*I*u0*a)/l
+l = d*%pi;
+u0 = 4*(%pi)*10^-7;
+x =(N*I*u0*a)/(l);
+// total change in Wb-turns y = 2*phi*Ns = 2*x*ur*Ns
+y = 2*x*Ns;
+df = F*D; //change in flux measuredby the flux meter in wb-turns
+ur =df/y; //relative permeability
+
+//result
+mprintf("relative permeabitlity = %3.0d",ur);
+mprintf("\n Note:textbook answer represents the approximate value")
+
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