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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/EX13.9/Ex13_9.sce | |
| parent | d1e070fe2d77c8e7f6ba4b0c57b1b42e26349059 (diff) | |
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Diffstat (limited to '3871/CH13/EX13.9/Ex13_9.sce')
| -rw-r--r-- | 3871/CH13/EX13.9/Ex13_9.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3871/CH13/EX13.9/Ex13_9.sce b/3871/CH13/EX13.9/Ex13_9.sce new file mode 100644 index 000000000..b7989bc34 --- /dev/null +++ b/3871/CH13/EX13.9/Ex13_9.sce @@ -0,0 +1,25 @@ +//=====================================================================================
+//Chapter 13 example 9
+clc;clear all;
+
+//variable declaration
+R = 2000; //resistance in Ω
+l = 1; //mean length of iron ring in m
+A = 350*10^-6; //area in m**2
+Ns = 200; //number of turns on secondary coil
+G1 = 1*10^-6; //galvanometer constant C
+G2 = 100; //galvanometer throw
+N =100;
+
+//calculations
+u0 = 4*(%pi)*10^-7;
+H = (N*I)/(l); //magnetising force with 10 A current
+Q = G1*G2; //charge passed through ballistic galvanometer in C
+//Q = i*t = (E/Rs)*t = ((2*phi*Ns)/(t*Rs))*t = (2*phi*Ns)/Rs
+phi = (Q*R)/(2*Ns); //flux in Wb
+B = phi/(A); //flux density in Wb/m**2
+ur = (B/(u0*H)); //relative permeability
+
+//result
+mprintf("flux density = %3.3f Wb/m**2",B);
+mprintf("\nrelative permeability = %3.0f",ur);
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