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Diffstat (limited to '2459/CH15/EX15.8')
| -rw-r--r-- | 2459/CH15/EX15.8/Ex15_8.PNG | bin | 0 -> 9415 bytes | |||
| -rw-r--r-- | 2459/CH15/EX15.8/Ex15_8.sce | 21 |
2 files changed, 21 insertions, 0 deletions
diff --git a/2459/CH15/EX15.8/Ex15_8.PNG b/2459/CH15/EX15.8/Ex15_8.PNG Binary files differnew file mode 100644 index 000000000..8a306ac7f --- /dev/null +++ b/2459/CH15/EX15.8/Ex15_8.PNG diff --git a/2459/CH15/EX15.8/Ex15_8.sce b/2459/CH15/EX15.8/Ex15_8.sce new file mode 100644 index 000000000..1d6ca41a1 --- /dev/null +++ b/2459/CH15/EX15.8/Ex15_8.sce @@ -0,0 +1,21 @@ +//chapter15
+//example15.8
+//page329
+
+del_Ic=100d-3 // ampere
+del_Vce=12 // V
+Rl=5 // ohm
+
+//case 1 : louspeaker directly connected
+V=del_Ic*Rl
+P=V*del_Ic
+
+//case2 : loudspreaker transformer coupled
+R_primary=del_Vce/del_Ic // for maximum power transfer the primary resistance should be equal to R
+n=(R_primary/Rl)^0.5
+V_secondary=del_Vce/n
+Il=V_secondary/Rl
+P_1=Il^2*Rl
+
+printf("case1 : loudspeaker connected directly \n power transferred to loudspeaker = %.3f mW \n",P*1000)
+printf("case2 : loudspeaker is transformer coupled \n power transferred to loudspeaker = %.3f mW \n",P_1*1000)
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