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-rw-r--r--3754/CH17/EX17.1/17_1.sce16
-rw-r--r--3754/CH17/EX17.2/17_2.sce14
-rw-r--r--3754/CH17/EX17.3/17_3.sce15
-rw-r--r--3754/CH17/EX17.4/17_4.sce17
4 files changed, 62 insertions, 0 deletions
diff --git a/3754/CH17/EX17.1/17_1.sce b/3754/CH17/EX17.1/17_1.sce
new file mode 100644
index 000000000..c7f16ac2f
--- /dev/null
+++ b/3754/CH17/EX17.1/17_1.sce
@@ -0,0 +1,16 @@
+clear//
+
+//Variables
+
+I = 40 //Current (in milli-Ampere)
+t = 15 * 10**-3 //time (in seconds)
+CFS = 93 //Circuit fusing rate (in Ampere-square second)
+
+//Calculation
+
+SCR = I**2 * t //Surge in the device (in Ampere-square second)
+
+//Result
+
+printf("\n Since value of SCR i.e. %0.3f A**2s is less than CFS i.e. %0.3f A**2s.",SCR,CFS)
+printf("\n Therefore the device will not be destroyed.")
diff --git a/3754/CH17/EX17.2/17_2.sce b/3754/CH17/EX17.2/17_2.sce
new file mode 100644
index 000000000..b50a48500
--- /dev/null
+++ b/3754/CH17/EX17.2/17_2.sce
@@ -0,0 +1,14 @@
+clear//
+
+//Variables
+
+SCR=75.0;I2t=75.0;
+IS = 100.0 //Current (in Ampere)
+
+//Calculation
+
+tmax = I2t / IS**2 //Maximum allowable time (in seconds)
+
+//Result
+
+printf("\n Maximum allowable time is %0.3f ms.",tmax * 10**3)
diff --git a/3754/CH17/EX17.3/17_3.sce b/3754/CH17/EX17.3/17_3.sce
new file mode 100644
index 000000000..cb6a17bee
--- /dev/null
+++ b/3754/CH17/EX17.3/17_3.sce
@@ -0,0 +1,15 @@
+clear//
+
+//Variables
+
+VD = 0.7 //Voltage (in volts)
+n = 0.75 //Intrinsic stand-off ratio
+VBB = 12 //Base Voltage (in volts)
+
+//Calculation
+
+VP = n * VBB + VD //Peak-point voltage (in volts)
+
+//Result
+
+printf("\n Peak - point voltage of the circuit is %0.3f V.",VP)
diff --git a/3754/CH17/EX17.4/17_4.sce b/3754/CH17/EX17.4/17_4.sce
new file mode 100644
index 000000000..2cb877305
--- /dev/null
+++ b/3754/CH17/EX17.4/17_4.sce
@@ -0,0 +1,17 @@
+clear//
+
+//Variables
+
+rB1 = 4.0 //Resistance (in kilo-ohm)
+rB2 = 2.5 //Resistance (in kilo-ohm)
+VBB = 15.0 //Base voltage (in volts)
+VD = 0.7 //Voltage (in volts)
+
+//Calculation
+
+n = rB1 / (rB1 + rB2) //Intrinsic stand-off ratio
+VP = n * VBB + VD //Peak-point voltage (in volts)
+
+//Result
+
+printf("\n Intrinsic stand off ratio is %0.4f .\nPeak-point voltage is %0.f ",n,VP)