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-rw-r--r--3769/CH9/EX9.1/Ex9_1.sce16
-rw-r--r--3769/CH9/EX9.10/Ex9_10.sce14
-rw-r--r--3769/CH9/EX9.13/Ex9_13.sce13
-rw-r--r--3769/CH9/EX9.14/Ex9_14.sce11
-rw-r--r--3769/CH9/EX9.15/Ex9_15.sce16
-rw-r--r--3769/CH9/EX9.16/Ex9_16.sce12
-rw-r--r--3769/CH9/EX9.17/Ex9_17.sce17
-rw-r--r--3769/CH9/EX9.18/Ex9_18.sce14
-rw-r--r--3769/CH9/EX9.19/Ex9_19.sce13
-rw-r--r--3769/CH9/EX9.2/Ex9_2.sce19
-rw-r--r--3769/CH9/EX9.20/Ex9_20.sce12
-rw-r--r--3769/CH9/EX9.21/Ex9_21.sce14
-rw-r--r--3769/CH9/EX9.22/Ex9_22.sce17
-rw-r--r--3769/CH9/EX9.23/Ex9_23.sce13
-rw-r--r--3769/CH9/EX9.24/Ex9_24.sce10
-rw-r--r--3769/CH9/EX9.25/Ex9_25.sce16
-rw-r--r--3769/CH9/EX9.26/Ex9_26.sce15
-rw-r--r--3769/CH9/EX9.27/Ex9_27.sce16
-rw-r--r--3769/CH9/EX9.28/Ex9_28.sce13
-rw-r--r--3769/CH9/EX9.29/Ex9_29.sce18
-rw-r--r--3769/CH9/EX9.3/Ex9_3.sce13
-rw-r--r--3769/CH9/EX9.30/Ex9_30.sce20
-rw-r--r--3769/CH9/EX9.31/Ex9_31.sce15
-rw-r--r--3769/CH9/EX9.32/Ex9_32.sce13
-rw-r--r--3769/CH9/EX9.33/Ex9_33.sce12
-rw-r--r--3769/CH9/EX9.35/Ex9_35.sce16
-rw-r--r--3769/CH9/EX9.36/Ex9_36.sce16
-rw-r--r--3769/CH9/EX9.37/Ex9_37.sce18
-rw-r--r--3769/CH9/EX9.38/Ex9_38.sce11
-rw-r--r--3769/CH9/EX9.39/Ex9_39.sce15
-rw-r--r--3769/CH9/EX9.4/Ex9_4.sce15
-rw-r--r--3769/CH9/EX9.40/Ex9_40.sce19
-rw-r--r--3769/CH9/EX9.41/Ex9_41.sce11
-rw-r--r--3769/CH9/EX9.42/Ex9_42.sce13
-rw-r--r--3769/CH9/EX9.43/Ex9_43.sce17
-rw-r--r--3769/CH9/EX9.44/Ex9_44.sce12
-rw-r--r--3769/CH9/EX9.45/Ex9_45.sce14
-rw-r--r--3769/CH9/EX9.5/Ex9_5.sce13
-rw-r--r--3769/CH9/EX9.6/Ex9_6.sce16
-rw-r--r--3769/CH9/EX9.7/Ex9_7.sce15
-rw-r--r--3769/CH9/EX9.8/Ex9_8.sce15
-rw-r--r--3769/CH9/EX9.9/Ex9_9.sce16
42 files changed, 614 insertions, 0 deletions
diff --git a/3769/CH9/EX9.1/Ex9_1.sce b/3769/CH9/EX9.1/Ex9_1.sce
new file mode 100644
index 000000000..c09f4210b
--- /dev/null
+++ b/3769/CH9/EX9.1/Ex9_1.sce
@@ -0,0 +1,16 @@
+clear
+//Given
+V=90 //V
+d=2.0*10**-2
+e=1.8*10**11
+x=5*10**-2
+v=10**7
+
+//Calculation
+E=V/d
+a=e*E
+t=x/v
+y=0.5*a*t**2
+
+//Result
+printf("\n Transverse deflection produced by electric field is %0.1f cm",y*10**2)
diff --git a/3769/CH9/EX9.10/Ex9_10.sce b/3769/CH9/EX9.10/Ex9_10.sce
new file mode 100644
index 000000000..e63222c5c
--- /dev/null
+++ b/3769/CH9/EX9.10/Ex9_10.sce
@@ -0,0 +1,14 @@
+clear
+//Given
+I=4
+u=10**-7
+a=0.2 //m
+v=4*10**6
+q=1.6*10**-19
+
+//Calculation
+B=(u*2*I)/a
+F=q*v*B
+
+//Result
+printf("\n Force is %0.3f N", F)
diff --git a/3769/CH9/EX9.13/Ex9_13.sce b/3769/CH9/EX9.13/Ex9_13.sce
new file mode 100644
index 000000000..be0cd7169
--- /dev/null
+++ b/3769/CH9/EX9.13/Ex9_13.sce
@@ -0,0 +1,13 @@
+clear
+//Given
+E=3.4*10**4 //V/m
+B=2*10**-3 //Wb/m**2
+m=9.1*10**-31
+e=1.6*10**-19
+
+//Calculation
+v=E/B
+r=(m*v)/(e*B)
+
+//Result
+printf("\n Radius of the circular path is %0.1f *10**-2 m",r*10**2)
diff --git a/3769/CH9/EX9.14/Ex9_14.sce b/3769/CH9/EX9.14/Ex9_14.sce
new file mode 100644
index 000000000..61f64ad0c
--- /dev/null
+++ b/3769/CH9/EX9.14/Ex9_14.sce
@@ -0,0 +1,11 @@
+clear
+//Given
+V=600 //V
+d=3*10**-3 //m
+v=2*10**6 //m/s
+
+//Calculation
+B=V/(d*v)
+
+//Result
+printf("\n Magnitude of magnetic field is %0.3f T", B)
diff --git a/3769/CH9/EX9.15/Ex9_15.sce b/3769/CH9/EX9.15/Ex9_15.sce
new file mode 100644
index 000000000..690c059c0
--- /dev/null
+++ b/3769/CH9/EX9.15/Ex9_15.sce
@@ -0,0 +1,16 @@
+clear
+//Given
+q=1.6*10**-19 //c
+B=2 //T
+m=1.66*10**-27 //Kg
+K=5*10**6
+
+//Calculation
+//
+f=(q*B)/(2.0*%pi*m)
+v=sqrt((2*K*q)/m)
+r=(m*v)/(q*B)
+
+//Result
+printf("\n (i) The frequency needed for applied alternating voltage is %0.0f *10**7 HZ",f*10**-7)
+printf("\n (ii) Radius of the cyclotron is %0.2f m",r)
diff --git a/3769/CH9/EX9.16/Ex9_16.sce b/3769/CH9/EX9.16/Ex9_16.sce
new file mode 100644
index 000000000..76c61ed56
--- /dev/null
+++ b/3769/CH9/EX9.16/Ex9_16.sce
@@ -0,0 +1,12 @@
+clear
+//Given
+B=1.7 //T
+q=1.6*10**-19 //c
+r=0.5
+m=1.66*10**-27
+
+//Calculation
+K=((B**2*q**2*r**2)/(2.0*m))/q
+
+//Result
+printf("\n Kinetic energy of proton is %0.0f Mev",K*10**-6)
diff --git a/3769/CH9/EX9.17/Ex9_17.sce b/3769/CH9/EX9.17/Ex9_17.sce
new file mode 100644
index 000000000..b770f5ffc
--- /dev/null
+++ b/3769/CH9/EX9.17/Ex9_17.sce
@@ -0,0 +1,17 @@
+clear
+//Given
+B=0.8
+q=3.2*10**-19 //C
+d=1.2
+m=4*1.66*10**-27 //Kg
+a=1.60*10**-19
+
+//Calculation
+//
+r=d/2.0
+K=(B**2*q**2*r**2)/(2.0*m*a)
+v=(q*B*r)/m
+f=(q*B)/(2.0*%pi*m)
+
+//Result
+printf("\n Frequency of alternating voltage is %0.2f *10**7 HZ",f*10**-7)
diff --git a/3769/CH9/EX9.18/Ex9_18.sce b/3769/CH9/EX9.18/Ex9_18.sce
new file mode 100644
index 000000000..c6c105ad4
--- /dev/null
+++ b/3769/CH9/EX9.18/Ex9_18.sce
@@ -0,0 +1,14 @@
+clear
+//Given
+q=1.6*10**-19 //C
+r=0.6 //m
+m=1.67*10**-27 //Kg
+f=10**7
+
+//Calculation
+//
+B=(2*%pi*m*f)/q
+K=((B**2*q**2*r**2)/(2.0*m))/1.6*10**-13
+
+//Result
+printf("\n Kinetic energy of the protons is %0.1f Mev",K*10**26)
diff --git a/3769/CH9/EX9.19/Ex9_19.sce b/3769/CH9/EX9.19/Ex9_19.sce
new file mode 100644
index 000000000..c5f1c5c6b
--- /dev/null
+++ b/3769/CH9/EX9.19/Ex9_19.sce
@@ -0,0 +1,13 @@
+clear
+//Given
+I=5 //A
+l=0.06 //m
+B=0.02 //T
+a=90
+
+//Calculation
+//
+F=I*B*l*sin(a*3.14/180.0)
+
+//Result
+printf("\n Force is %0.3f N",F)
diff --git a/3769/CH9/EX9.2/Ex9_2.sce b/3769/CH9/EX9.2/Ex9_2.sce
new file mode 100644
index 000000000..ed7f08a63
--- /dev/null
+++ b/3769/CH9/EX9.2/Ex9_2.sce
@@ -0,0 +1,19 @@
+clear
+//Given
+V=500
+d=2*10**-2 //m
+v=3*10**7
+x=6*10**-2
+e=1.8*10**11
+
+//Calculation
+//
+E=V/d
+a=E*e
+t=x/v
+v1=a*t
+T=v1/v
+A=atan(T)*180.0/3.14
+
+//Result
+printf("\n Angle is %0.1f degree",A)
diff --git a/3769/CH9/EX9.20/Ex9_20.sce b/3769/CH9/EX9.20/Ex9_20.sce
new file mode 100644
index 000000000..862154294
--- /dev/null
+++ b/3769/CH9/EX9.20/Ex9_20.sce
@@ -0,0 +1,12 @@
+clear
+//Given
+m=0.2 //Kg
+I=2 //A
+l=1.5 //m
+g=9.8
+
+//Calculation
+B=(m*g)/(I*l)
+
+//Result
+printf("\n Magnitude of the magnetic field is %0.2f T",B)
diff --git a/3769/CH9/EX9.21/Ex9_21.sce b/3769/CH9/EX9.21/Ex9_21.sce
new file mode 100644
index 000000000..a26c17320
--- /dev/null
+++ b/3769/CH9/EX9.21/Ex9_21.sce
@@ -0,0 +1,14 @@
+clear
+//given
+r=0.002 //m
+m=0.05
+g=9.8
+
+//Calculation
+u=4*%pi*10**-7
+f=u/(2*%pi*r)
+f1=m*g
+I=sqrt(f1*f**-1)
+
+//Result
+printf("\n Current in each wire is %0.3f A", I)
diff --git a/3769/CH9/EX9.22/Ex9_22.sce b/3769/CH9/EX9.22/Ex9_22.sce
new file mode 100644
index 000000000..e667b74d2
--- /dev/null
+++ b/3769/CH9/EX9.22/Ex9_22.sce
@@ -0,0 +1,17 @@
+clear
+//Given
+r=0.04 //m
+I1=20
+I2=16
+l=0.15
+r1=0.1
+
+//Calculation
+//
+u=4*%pi*10**-7
+F1=(u*I1*I2*l)/(2.0*%pi*r)
+F2=(u*I1*I2*l)/(2.0*%pi*r1)
+F=F1-F2
+
+//Result
+printf("\n Net force on the loop is %0.3f *10**-4 N", F*10**4)
diff --git a/3769/CH9/EX9.23/Ex9_23.sce b/3769/CH9/EX9.23/Ex9_23.sce
new file mode 100644
index 000000000..62cb4fe36
--- /dev/null
+++ b/3769/CH9/EX9.23/Ex9_23.sce
@@ -0,0 +1,13 @@
+clear
+//Given
+m=0.3 //Kg
+a=30 //degree
+B=0.15 //T
+g=9.8 //m/s**2
+
+//Calculation
+//
+I=(m*g*tan(a*3.14/180.0))/B
+
+//Result
+printf("\n value of current is %0.2f A",I)
diff --git a/3769/CH9/EX9.24/Ex9_24.sce b/3769/CH9/EX9.24/Ex9_24.sce
new file mode 100644
index 000000000..cb94b5ce1
--- /dev/null
+++ b/3769/CH9/EX9.24/Ex9_24.sce
@@ -0,0 +1,10 @@
+clear
+//Given
+B=3*10**-5 //T
+I=1 //A
+
+//Calculation
+F=I*B*sin(90)
+
+//Result
+printf("\n The direction of the force is downward i.e %0.0f *10**-5 N/m",F*10**5)
diff --git a/3769/CH9/EX9.25/Ex9_25.sce b/3769/CH9/EX9.25/Ex9_25.sce
new file mode 100644
index 000000000..14d2c5efd
--- /dev/null
+++ b/3769/CH9/EX9.25/Ex9_25.sce
@@ -0,0 +1,16 @@
+
+clear
+//Given
+m=1.2*10**-3
+B=0.6 //T
+g=9.8 //m/s**2
+r=0.05
+b=3.8
+
+//Calculation
+I=(m*g)/B
+R=r*b
+V=I*R
+
+//Result
+printf("\n Potentila difference is %0.1f *10**-3 V",V*10**3)
diff --git a/3769/CH9/EX9.26/Ex9_26.sce b/3769/CH9/EX9.26/Ex9_26.sce
new file mode 100644
index 000000000..2d3b387cc
--- /dev/null
+++ b/3769/CH9/EX9.26/Ex9_26.sce
@@ -0,0 +1,15 @@
+clear
+//Given
+I2=10 //A
+r=0.1 //m
+l=2 //m
+I1=2
+I2=10
+r=0.1
+
+//Calculation
+u=4*%pi*10**-7
+F=u*I1*I2*I1/(2.0*%pi*r)
+
+//Result
+printf("\n Force on small conductor %0.3f N", F)
diff --git a/3769/CH9/EX9.27/Ex9_27.sce b/3769/CH9/EX9.27/Ex9_27.sce
new file mode 100644
index 000000000..becc30d26
--- /dev/null
+++ b/3769/CH9/EX9.27/Ex9_27.sce
@@ -0,0 +1,16 @@
+clear
+//Given
+A=10**-3 //m**
+n=10
+I=2 //A
+B=0.1 //T
+
+//Calculation
+//
+t=n*I*A*B*cos(0)
+t1=n*I*A*B*cos(60*3.14/180.0)
+
+//Result
+printf("\n (i) Torque when magnetic field is parallel to the field %0.0f *10**-3 Nm",t*10**3)
+printf("\n (ii) Torque when magnetic field is perpendicular to the field is zero")
+printf("\n (iii) Torque when magnetic field is 60 degree to the field is %0.1f *10**-3 Nm",t1*10**3)
diff --git a/3769/CH9/EX9.28/Ex9_28.sce b/3769/CH9/EX9.28/Ex9_28.sce
new file mode 100644
index 000000000..7218fbb1e
--- /dev/null
+++ b/3769/CH9/EX9.28/Ex9_28.sce
@@ -0,0 +1,13 @@
+clear
+//Given
+r=7
+I=10
+B=100*10**-4
+
+//Calculation
+//
+A=%pi*r**2
+t=I*A*B
+
+//Result
+printf("\n Magnitude of maximum torque is %0.2f *10**-3 Nm",t*10**-1)
diff --git a/3769/CH9/EX9.29/Ex9_29.sce b/3769/CH9/EX9.29/Ex9_29.sce
new file mode 100644
index 000000000..e754524be
--- /dev/null
+++ b/3769/CH9/EX9.29/Ex9_29.sce
@@ -0,0 +1,18 @@
+clear
+//Given
+N=10
+I=0.06
+r=0.05
+n=1000
+I2=25
+
+//Calculation
+//
+A=%pi*r**2
+M=N*I*A
+u=4*%pi*10**-7
+B=u*n*I2
+t=M*B*sin(45*3.14/180.0)
+
+//Result
+printf("\n Torgue is %0.2f *10**-4 Nm",t*10**4)
diff --git a/3769/CH9/EX9.3/Ex9_3.sce b/3769/CH9/EX9.3/Ex9_3.sce
new file mode 100644
index 000000000..4a9ea04f6
--- /dev/null
+++ b/3769/CH9/EX9.3/Ex9_3.sce
@@ -0,0 +1,13 @@
+clear
+//Given
+x=10*10**-2
+v=3*10**7
+S=1.76*10**-3
+a=1800
+
+//Calculation
+t=x/v
+e=S*2/(a*t**2)
+
+//Result
+printf("\n Specific charge of the electron is %0.3f C/Kg", e)
diff --git a/3769/CH9/EX9.30/Ex9_30.sce b/3769/CH9/EX9.30/Ex9_30.sce
new file mode 100644
index 000000000..e91afd545
--- /dev/null
+++ b/3769/CH9/EX9.30/Ex9_30.sce
@@ -0,0 +1,20 @@
+clear
+//Given
+n=100
+l=3.2
+r=0.1
+
+//Calculation
+//
+u=4*%pi*10**-7
+B=(u*n*l)/(2.0*r)
+M=n*l*%pi*r**2
+t=M*B*sin(0)
+t1=(M*B*sin(90*3.14/180.0))*10**3
+w=sqrt((2*M*B*10**3)/r)
+
+//Result
+printf("\n (a) Field at the centre of the coil is %0.0f *10**-3 T",B*10**3)
+printf("\n (b) Magnetic moment of the coil is %0.0f Am**2",M)
+printf("\n Magnitude of the torque on the coil in the final position is %0.0f Nm",t1)
+printf("\n (d) Angular speed acquired by the coil is %0.0f rad/s",w)
diff --git a/3769/CH9/EX9.31/Ex9_31.sce b/3769/CH9/EX9.31/Ex9_31.sce
new file mode 100644
index 000000000..45b47b7f4
--- /dev/null
+++ b/3769/CH9/EX9.31/Ex9_31.sce
@@ -0,0 +1,15 @@
+clear
+//Given
+n=125
+I=20*10**-3 //A
+B=0.5 //T
+A=400*10**-6 //m**2
+K=40*10**-6
+
+//Calculation
+T=n*I*B*A
+a=T/K
+
+//Result
+printf("\n (i) Torque exerted is %0.3f *10**-4 Nm", T*10**4)
+printf("\n (ii) Angular deflection of the coil is %0.3f degree", a)
diff --git a/3769/CH9/EX9.32/Ex9_32.sce b/3769/CH9/EX9.32/Ex9_32.sce
new file mode 100644
index 000000000..c424e8942
--- /dev/null
+++ b/3769/CH9/EX9.32/Ex9_32.sce
@@ -0,0 +1,13 @@
+clear
+//Given
+K=3*10**-9 //Nm/deg
+a=36
+n=60
+B=9*10**-3 //T
+A=5*10**-5 //m**2
+
+//Calculation
+I=(K*a)/(n*B*A)
+
+//Result
+printf("\n Maximum current is %0.3f mA", I*10**3)
diff --git a/3769/CH9/EX9.33/Ex9_33.sce b/3769/CH9/EX9.33/Ex9_33.sce
new file mode 100644
index 000000000..3fb6bad23
--- /dev/null
+++ b/3769/CH9/EX9.33/Ex9_33.sce
@@ -0,0 +1,12 @@
+clear
+//Given
+n=30
+B=0.25 //T
+A=1.5*10**-3
+K=10**-3
+
+//Calculation
+S=(n*B*A)/K
+
+//Result
+printf("\n Current sensitivity of the galvanometer is %0.3f degree/A", S)
diff --git a/3769/CH9/EX9.35/Ex9_35.sce b/3769/CH9/EX9.35/Ex9_35.sce
new file mode 100644
index 000000000..c656f576b
--- /dev/null
+++ b/3769/CH9/EX9.35/Ex9_35.sce
@@ -0,0 +1,16 @@
+clear
+//Given
+Ig=0.015 //A
+G=5
+I=1
+V=15
+
+//Calculation
+S=(Ig*G)/(I-Ig)
+R=G*S/(G+S)
+R1=(V/Ig)-G
+R2=R1+G
+
+//Result
+printf("\n (i) Resistance of ammeter of range 0-1 A is %0.3f ohm", R)
+printf("\n (ii) Resistance of ammeter of range 0-15 A is %0.3f ohm", R2)
diff --git a/3769/CH9/EX9.36/Ex9_36.sce b/3769/CH9/EX9.36/Ex9_36.sce
new file mode 100644
index 000000000..980c9dd21
--- /dev/null
+++ b/3769/CH9/EX9.36/Ex9_36.sce
@@ -0,0 +1,16 @@
+clear
+//Given
+V=75 //mV
+Ig=0.025 //A
+I=25 //mA
+I1=100
+V1=750
+
+//Calculation
+G=V/I
+S=(Ig*G)/(I1-Ig)
+R=(V1/Ig)-G
+
+//Result
+printf("\n (i) Resistance for an ammeter of range 0-100 A is %0.5f ohm",S)
+printf("\n (ii) Resistance for an ammeter of range 0-750 A is %0.5f ohm",R)
diff --git a/3769/CH9/EX9.37/Ex9_37.sce b/3769/CH9/EX9.37/Ex9_37.sce
new file mode 100644
index 000000000..21eb82c20
--- /dev/null
+++ b/3769/CH9/EX9.37/Ex9_37.sce
@@ -0,0 +1,18 @@
+clear
+//Given
+Rg=60
+R1=3.0
+rs=0.02
+
+//Calculation
+Rt=Rg+R1
+I=R1/Rt
+Rm=(Rg*rs)/(Rg+rs)
+R2=Rm+R1
+I1=R1/R2
+I2=R1/R1
+
+//Result
+printf("\n (i) The value of current is %0.3f A",I)
+printf("\n (ii) The value of current is %0.2f A",I1)
+printf("\n (iii) The value of current is %0.3f A",I2)
diff --git a/3769/CH9/EX9.38/Ex9_38.sce b/3769/CH9/EX9.38/Ex9_38.sce
new file mode 100644
index 000000000..362182881
--- /dev/null
+++ b/3769/CH9/EX9.38/Ex9_38.sce
@@ -0,0 +1,11 @@
+clear
+//Given
+V=100
+v=1
+a=1980
+
+//Calculation
+Rm=a/(V-v)
+
+//Result
+printf("\n Resistance of the voltmeter is %0.3f ohm", Rm)
diff --git a/3769/CH9/EX9.39/Ex9_39.sce b/3769/CH9/EX9.39/Ex9_39.sce
new file mode 100644
index 000000000..d688a77cb
--- /dev/null
+++ b/3769/CH9/EX9.39/Ex9_39.sce
@@ -0,0 +1,15 @@
+clear
+//Given
+R1=1200.0 //ohm
+R2=600 //ohm
+Vab=5 //V
+V=35
+
+//Calculation
+Rp=(R1*R2)/(R1+R2)
+I=Vab/Rp
+pd=V-Vab
+R=pd/I
+
+//Result
+printf("\n value of unknown resistance is %0.3f ohm", R)
diff --git a/3769/CH9/EX9.4/Ex9_4.sce b/3769/CH9/EX9.4/Ex9_4.sce
new file mode 100644
index 000000000..ae69a9fdf
--- /dev/null
+++ b/3769/CH9/EX9.4/Ex9_4.sce
@@ -0,0 +1,15 @@
+clear
+//Given
+m=9*10**-31
+v=3*10**7
+q=1.6*10**-19 //C
+B=6*10**-4
+
+//Calculation
+//
+r=m*v/(q*B)
+f=q*B/(2.0*%pi*m)
+E=(0.5*m*v**2)/1.6*10**-16
+
+//Result
+printf("\n Energy is %0.2f Kev",E*10**32)
diff --git a/3769/CH9/EX9.40/Ex9_40.sce b/3769/CH9/EX9.40/Ex9_40.sce
new file mode 100644
index 000000000..475c17475
--- /dev/null
+++ b/3769/CH9/EX9.40/Ex9_40.sce
@@ -0,0 +1,19 @@
+clear
+//Given
+R1=400 //ohm
+R2=800.0
+R3=10
+V=6
+R11=10000.0
+R22=400
+
+//Calculation
+Rt=R1+R2+R3
+I=V/Rt
+Rp=(R11*R22)/(R11+R22)
+R=Rp+800
+I1=V/R
+Vab=I1*Rp
+
+//Result
+printf("\n Hence the voltmeter will read %0.2f V",Vab)
diff --git a/3769/CH9/EX9.41/Ex9_41.sce b/3769/CH9/EX9.41/Ex9_41.sce
new file mode 100644
index 000000000..002cadcbc
--- /dev/null
+++ b/3769/CH9/EX9.41/Ex9_41.sce
@@ -0,0 +1,11 @@
+clear
+//Given
+V=2 //V
+R=2000.0 //ohm
+
+//Calculation
+I=V/R
+pd=I*R
+
+//Result
+printf("\n Reading of ammeter is %0.3f mA \nReading of voltmeter is %0.3f V",I*10**3,pd)
diff --git a/3769/CH9/EX9.42/Ex9_42.sce b/3769/CH9/EX9.42/Ex9_42.sce
new file mode 100644
index 000000000..45e79757c
--- /dev/null
+++ b/3769/CH9/EX9.42/Ex9_42.sce
@@ -0,0 +1,13 @@
+clear
+//Given
+E=3
+G=100
+R=200.0
+n=30
+
+//Calculation
+Ig=E/(G+R)
+K=(Ig/n)*10**6
+
+//Result
+printf("\n Figure of merit of the galvanometer is %0.1f micro A/division",K)
diff --git a/3769/CH9/EX9.43/Ex9_43.sce b/3769/CH9/EX9.43/Ex9_43.sce
new file mode 100644
index 000000000..ba47a3bc5
--- /dev/null
+++ b/3769/CH9/EX9.43/Ex9_43.sce
@@ -0,0 +1,17 @@
+clear
+//Given
+V1=60 //ohm
+V2=30
+R=300.0
+R1=1200
+R2=400 //ohm
+
+//Calculation
+V=V1-V2
+I=V/R
+R11=(R1*R)/(R1+R)
+I=V1/(R11+R2)
+V11=I*R11
+
+//Result
+printf("\n Voltmeter will read %0.3f V", V11)
diff --git a/3769/CH9/EX9.44/Ex9_44.sce b/3769/CH9/EX9.44/Ex9_44.sce
new file mode 100644
index 000000000..c1fb93f8f
--- /dev/null
+++ b/3769/CH9/EX9.44/Ex9_44.sce
@@ -0,0 +1,12 @@
+clear
+//Given
+R=20.0 //K ohm
+R2=1 //K ohm
+
+//Calculation
+Vr=(R*R2)/(R+R2)
+
+//Result
+printf("\n (i) Voltmeter resistance is %0.3f K ohm", R)
+printf("\n (ii) Voltmeter resistance is %0.3f K ohm",R2)
+printf("\n (iii) Voltmeter resistance is %0.2f K ohm",Vr)
diff --git a/3769/CH9/EX9.45/Ex9_45.sce b/3769/CH9/EX9.45/Ex9_45.sce
new file mode 100644
index 000000000..a1b69073b
--- /dev/null
+++ b/3769/CH9/EX9.45/Ex9_45.sce
@@ -0,0 +1,14 @@
+clear
+//Given
+s=20*10**-6
+n=30
+I=1 //A
+G=25 //ohm
+
+//Calculation
+Ig=s*n
+S=Ig*G/(1-Ig)
+Ra=G*S/(G+S)
+
+//Result
+printf("\n Resistance of ammeter is %0.3f ohm",Ra)
diff --git a/3769/CH9/EX9.5/Ex9_5.sce b/3769/CH9/EX9.5/Ex9_5.sce
new file mode 100644
index 000000000..d40dc5bbc
--- /dev/null
+++ b/3769/CH9/EX9.5/Ex9_5.sce
@@ -0,0 +1,13 @@
+clear
+//Given
+m=9*10**-31
+e=1.6*10**-19
+V=100
+B=0.004
+
+//Calculation
+//
+r=sqrt(2*m*e*V)/(e*B)
+
+//Result
+printf("\n Radius of the path is %0.1f mm",r*10**3)
diff --git a/3769/CH9/EX9.6/Ex9_6.sce b/3769/CH9/EX9.6/Ex9_6.sce
new file mode 100644
index 000000000..c380dc147
--- /dev/null
+++ b/3769/CH9/EX9.6/Ex9_6.sce
@@ -0,0 +1,16 @@
+clear
+//Given
+m=1.67*10**-27
+v=4*10**5
+a=60
+q=1.6*10**-19
+B=0.3
+
+//Calculation
+//
+r=(m*v*sin(a*3.14/180.0))/q*B
+P=v*cos(a*3.14/180.0)*((2*%pi*m)/(q*B))
+
+//Result
+printf("\n (i) Radius of the helical path is %0.1f cm",r*10**3)
+printf("\n (ii) Pitch of helix is %0.2f cm",P*10**2)
diff --git a/3769/CH9/EX9.7/Ex9_7.sce b/3769/CH9/EX9.7/Ex9_7.sce
new file mode 100644
index 000000000..18f0f0a8e
--- /dev/null
+++ b/3769/CH9/EX9.7/Ex9_7.sce
@@ -0,0 +1,15 @@
+clear
+//Given
+M=5*10**6 //ev
+e=1.6*10**-19
+m=1.6*10**-27
+B=1.5
+q=1.6*10**-19
+
+//Calculation
+//
+v=sqrt((2*M*e)/m)
+F=q*v*B*sin(90*3.14/180.0)
+
+//Result
+printf("\n Magnitude of the force is %0.2f *10**-12 N",F*10**12)
diff --git a/3769/CH9/EX9.8/Ex9_8.sce b/3769/CH9/EX9.8/Ex9_8.sce
new file mode 100644
index 000000000..b3fdb0201
--- /dev/null
+++ b/3769/CH9/EX9.8/Ex9_8.sce
@@ -0,0 +1,15 @@
+clear
+//Given
+m=1.67*10**-27 //Kg
+v=4*10**5
+B=0.3 //T
+q=1.6*10**-19 //C
+
+//Calculation
+//
+r=m*v*sin(60*3.14/180.0)/(q*B)
+P=2*%pi*r*1/(tan(60*3.14/180.0))
+
+//Result
+printf("\n Pitch of the helix is %0.2f cm",P*10**2)
+printf("\n Radius of helical path is %0.3f cm",r*10**2)
diff --git a/3769/CH9/EX9.9/Ex9_9.sce b/3769/CH9/EX9.9/Ex9_9.sce
new file mode 100644
index 000000000..dfeab1bf2
--- /dev/null
+++ b/3769/CH9/EX9.9/Ex9_9.sce
@@ -0,0 +1,16 @@
+clear
+//Given
+q=3.2*10**-19
+B=1.2
+r=0.45
+m=6.8*10**-27
+
+//Calculation
+//
+v=(q*B*r)/m
+f=v/(2.0*%pi*r)
+K=(0.5*m*v**2)/(1.6*10**-19)
+V=K/2.0
+
+//Result
+printf("\n Required potentila difference is %0.0f *10**6 V",V*10**-6)