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

---
 3507/CH9/EX9.12/Ex9_12.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 3507/CH9/EX9.12/Ex9_12.sce

(limited to '3507/CH9/EX9.12/Ex9_12.sce')

diff --git a/3507/CH9/EX9.12/Ex9_12.sce b/3507/CH9/EX9.12/Ex9_12.sce
new file mode 100644
index 000000000..e3d154950
--- /dev/null
+++ b/3507/CH9/EX9.12/Ex9_12.sce
@@ -0,0 +1,17 @@
+//chapter9
+//example9.12
+//page153
+
+Vdc=50 // V
+rf=25 // ohm
+Rl=800 // ohm
+
+// Vdc=Idc*Rl and Idc=Im/%pi so
+// Vdc=Im*Rl/%pi
+// but Im=Vm/(rf+Rl) so 
+// Vdc=Vm*Rl/(%pi*(rf+Rl))
+// making Vm as subject we get
+
+Vm=Vdc*%pi*(rf+Rl)/Rl
+
+printf("ac voltage required = %.1f V \n",Vm)
-- 
cgit