initial commit / add all books

6 files changed, 81 insertions, 0 deletions

diff --git a/2252/CH10/EX10.1/Ex10_1.sce b/2252/CH10/EX10.1/Ex10_1.sce
new file mode 100755
index 000000000..31e74d321
--- /dev/null
+++ b/2252/CH10/EX10.1/Ex10_1.sce
@@ -0,0 +1,13 @@
+

+//calculating resistance of the shunt

+i=20D-3  //current throught the coil

+r=4  //resistance of coil

+V=i*r

+I=2  //total current to be measured

+Is=I-i  //current through shunt

+R=V/Is  //Ohm's law

+mprintf("Resistance of the shunt=%f ohm\n", R)

+//solving part (ii)

+V=30  //voltage to be measured

+R=V/i-r

+mprintf("Resistance to be connected in series with moving coil=%d ohm", R)

diff --git a/2252/CH10/EX10.2/Ex10_2.sce b/2252/CH10/EX10.2/Ex10_2.sce
new file mode 100755
index 000000000..67ad7a382
--- /dev/null
+++ b/2252/CH10/EX10.2/Ex10_2.sce
@@ -0,0 +1,14 @@
+

+i=20D-3  //current throught the coil

+r=4  //resistance of coil

+V=30  //voltage to be measured

+R=(V-r*i)/i  //resistance in series to read upto 30 V

+//to read upto 60 V

+V=60

+R1=V/i-r

+mprintf("Additional resistance needed to read upto 60 V=%d ohm\n", R1-R)

+//to read upto 90 V

+V=90

+R2=V/i-r

+mprintf("Additional resistance needed to read upto 90V=%d ohm",R2-R1)

+

diff --git a/2252/CH10/EX10.3/Ex10_3.sce b/2252/CH10/EX10.3/Ex10_3.sce
new file mode 100755
index 000000000..46f9afa67
--- /dev/null
+++ b/2252/CH10/EX10.3/Ex10_3.sce
@@ -0,0 +1,16 @@
+

+i=20D-3  //current throught the coil

+r=4  //resistance of coil

+V=i*r

+//when total current to be measured=2 A

+Is=2-i  //shunt current

+R1=V/Is

+mprintf("Resistance of shunt for 2A range=%f ohm\n",R1)

+//when total current to be measured=4 A

+Is=4-i  //shunt current

+R2=V/Is

+mprintf("Resistance of shunt for 4A range=%f ohm\n", R2)

+//when total current to be measured=6 A

+Is=6-i  //shunt current

+R3=V/Is

+mprintf("Resistance of shunt for 6A range=%f ohm",R3)

diff --git a/2252/CH10/EX10.4/Ex10_4.sce b/2252/CH10/EX10.4/Ex10_4.sce
new file mode 100755
index 000000000..6e06fc842
--- /dev/null
+++ b/2252/CH10/EX10.4/Ex10_4.sce
@@ -0,0 +1,14 @@
+

+//calculating deflecting torque

+N=50  //no. of turns in coil

+B=.12  //flux density in Wb/m^2

+A=5D-4  //area of coil in m^2

+I=15D-3  //current through coil

+Td=N*B*A*I

+mprintf("Deflecting torque=%fD-6 N-m\n",Td*10^6)

+//calculating deflection of pointer

+C=18D-7  //constant for spring in N-m per degree

+Tc=Td  //controlling torque

+theta=Tc/C

+mprintf("Deflection=%d degrees", theta)

+

diff --git a/2252/CH10/EX10.5/Ex10_5.sce b/2252/CH10/EX10.5/Ex10_5.sce
new file mode 100755
index 000000000..e59027955
--- /dev/null
+++ b/2252/CH10/EX10.5/Ex10_5.sce
@@ -0,0 +1,12 @@
+

+N=80  //no. of turns in coil

+B=.5  //flux density

+A=15D-4  //area of coil

+Tc=2D-4  //controlling torque at full scale deflection

+Td=Tc  //under final steady condition

+I=Td/(N*B*A)

+n=100  //no. of divisions

+v=2  //voltage measured per division

+V=n*v  //at full scale deflection

+R=V/I

+mprintf("Series resistance=%f ohm",R)

diff --git a/2252/CH10/EX10.6/Ex10_6.sce b/2252/CH10/EX10.6/Ex10_6.sce
new file mode 100755
index 000000000..e7f4dcdb6
--- /dev/null
+++ b/2252/CH10/EX10.6/Ex10_6.sce
@@ -0,0 +1,12 @@
+

+//calculating resistance of manganin shunt to extend range to 1 A

+R=10  //resistance of instrument coil

+I=10D-3  //current through coil

+V=I*R

+Is=1-I  //shunt current

+r=V/Is

+mprintf("Resistance of manganin shunt to extend range to 1 A=%f ohm\n", r)

+//calculating value of series resistance to extend the range to 15 V

+v=15-V  //voltage across series resistance

+Rs=v/I

+mprintf("Series resistance to be connected to extend range to 15 V=%d ohm", Rs)