diff options
Diffstat (limited to '3769/CH12')
25 files changed, 349 insertions, 0 deletions
diff --git a/3769/CH12/EX12.1/Ex12_1.sce b/3769/CH12/EX12.1/Ex12_1.sce new file mode 100644 index 000000000..553581fc3 --- /dev/null +++ b/3769/CH12/EX12.1/Ex12_1.sce @@ -0,0 +1,13 @@ +clear +//Given +a=20 //mWb +a1=-20 //mWb +t=2*10**-3 //s +N=100 + +//Calculation +a2=(a1-a)*10**-3 +e=(-N*a2)/t + +//Result +printf("\n Average e.m.f induced in the coil is %0.3f V", e) diff --git a/3769/CH12/EX12.10/Ex12_10.sce b/3769/CH12/EX12.10/Ex12_10.sce new file mode 100644 index 000000000..a4b59ce9c --- /dev/null +++ b/3769/CH12/EX12.10/Ex12_10.sce @@ -0,0 +1,16 @@ +clear +//Given +v=72 *(5/18.0) //Km/h +B=40*10**-6 //T +A=40 +l=2 //m +t=1.0 +N=1 + +//Calculation +A=l*v +a=B*A +e=N*a/t + +//Result +printf("\n e.m.f generated in the axle of the car %0.3f mV", e*10**3) diff --git a/3769/CH12/EX12.11/Ex12_11.sce b/3769/CH12/EX12.11/Ex12_11.sce new file mode 100644 index 000000000..02b4486e1 --- /dev/null +++ b/3769/CH12/EX12.11/Ex12_11.sce @@ -0,0 +1,13 @@ +clear +//Given +w=1000/60.0 +r=0.3 +B=0.5 //T + +//Calculation +v=w*r +vav=v/2.0 +e=B*r*vav + +//Result +printf("\n e.m.f induced is %0.3f V",e) diff --git a/3769/CH12/EX12.12/Ex12_12.sce b/3769/CH12/EX12.12/Ex12_12.sce new file mode 100644 index 000000000..a41306a6d --- /dev/null +++ b/3769/CH12/EX12.12/Ex12_12.sce @@ -0,0 +1,13 @@ +clear +//Given +r=0.5 //m +n=2 //r.p.s +B=0.4*10**-4 //T + +//Calculation +// +w=2*%pi*n +e=0.5*B*r**2*w + +//Result +printf("\n Magnitude of induced e.m.f between the axle and rim is %0.2f *10**-5 V",e*10**5) diff --git a/3769/CH12/EX12.13/Ex12_13.sce b/3769/CH12/EX12.13/Ex12_13.sce new file mode 100644 index 000000000..88763a4ef --- /dev/null +++ b/3769/CH12/EX12.13/Ex12_13.sce @@ -0,0 +1,12 @@ +clear +//Given +R=1 //m +B=1 +f=50 + +//Calculation +// +e=%pi*R**2*B*f + +//Result +printf("\n e.m.f between the centre and the matallic ring is %0.1f V",e) diff --git a/3769/CH12/EX12.14/Ex12_14.sce b/3769/CH12/EX12.14/Ex12_14.sce new file mode 100644 index 000000000..f0042607f --- /dev/null +++ b/3769/CH12/EX12.14/Ex12_14.sce @@ -0,0 +1,11 @@ +clear +//Given +N=500 +a=1.4*10**-4 //Wb +l=2.5 //A + +//Calculation +L=(N*a)/l + +//Result +printf("\n Inductance of the coil is %0.3f mH", L*10**3) diff --git a/3769/CH12/EX12.15/Ex12_15.sce b/3769/CH12/EX12.15/Ex12_15.sce new file mode 100644 index 000000000..415defb96 --- /dev/null +++ b/3769/CH12/EX12.15/Ex12_15.sce @@ -0,0 +1,14 @@ +clear +//Given +L=130*10**-3 //H +I1=20 //mA +I2=28 //mA +t=140.0*10**-3 //S + +//Calculation +l=I2-I1 +e=(-L*l)/t + +//Result +printf("\n Magnitude of induced e.m.f is %0.2f *10**-3 V",e) +printf("\n Direction oppose the increase in current") diff --git a/3769/CH12/EX12.16/Ex12_16.sce b/3769/CH12/EX12.16/Ex12_16.sce new file mode 100644 index 000000000..51372c029 --- /dev/null +++ b/3769/CH12/EX12.16/Ex12_16.sce @@ -0,0 +1,13 @@ +clear +//Given +N=4000 +l=0.6 //m +r=16*10**-4 //m + +//Calculation +u=4*%pi*10**-7 +L=(u*N**2*((%pi*r)/4.0))/l +Liron=N*L + +//Result +printf("\n Inductance of the solenoid is %0.0f H",Liron) diff --git a/3769/CH12/EX12.17/Ex12_17.sce b/3769/CH12/EX12.17/Ex12_17.sce new file mode 100644 index 000000000..554917e95 --- /dev/null +++ b/3769/CH12/EX12.17/Ex12_17.sce @@ -0,0 +1,12 @@ +clear +//Given +L=10.0 //H +e=300 //V +t=10**-2 //S + +//Calculation +dl=(e*t)/L +a=e*t + +//Result +printf("\n Charge in magnetic flux is %0.3f Wb", a) diff --git a/3769/CH12/EX12.18/Ex12_18.sce b/3769/CH12/EX12.18/Ex12_18.sce new file mode 100644 index 000000000..40211d24c --- /dev/null +++ b/3769/CH12/EX12.18/Ex12_18.sce @@ -0,0 +1,13 @@ +clear +//Given +L=10*10**-3 +I=4*10**-3 +N=200.0 + +//Calculation +N1=L*I +a=N1/N + +//Result +printf("\n Total flux linked with the coil is %0.3f Wb", N1) +printf("\n Magnetic flux through the cross section of the coil is %0.3f Wb",a) diff --git a/3769/CH12/EX12.19/Ex12_19.sce b/3769/CH12/EX12.19/Ex12_19.sce new file mode 100644 index 000000000..d9a8b0afd --- /dev/null +++ b/3769/CH12/EX12.19/Ex12_19.sce @@ -0,0 +1,13 @@ +clear +//Given +L=500*10**-3 +I1=20*10**-3 //A +I2=10*10**-3 //A + +//Calculation +U1=0.5*L*I1**2 +U2=0.5*L*I2**2 + +//Result +printf("\n Magnetic energy stored in the coil is %0.3f *10**-4 J",U1*10**6) +printf("\n New value of energy is %0.3f J",U2) diff --git a/3769/CH12/EX12.20/Ex12_20.sce b/3769/CH12/EX12.20/Ex12_20.sce new file mode 100644 index 000000000..4ddab89eb --- /dev/null +++ b/3769/CH12/EX12.20/Ex12_20.sce @@ -0,0 +1,16 @@ +clear +//Given +E=12 +R=30.0 //ohm +L=0.22 + +//Calculation +I0=E/R +I=I0/2.0 +P=E*I +dl=(E-(I*R))/L +du=L*I*dl + +//Result +printf("\n (i) Energy being delivered by the battery is %0.3f W", P) +printf("\n (ii) ENergy being stored in the magnetic field of inductor is %0.3f W",du) diff --git a/3769/CH12/EX12.21/Ex12_21.sce b/3769/CH12/EX12.21/Ex12_21.sce new file mode 100644 index 000000000..8a9cf8825 --- /dev/null +++ b/3769/CH12/EX12.21/Ex12_21.sce @@ -0,0 +1,10 @@ +clear +//Given +L=2.0 //H +i=2 //A + +//Calculation +U=0.5*L*i**2 + +//Result +printf("\n Amount of energy spent during the period is %0.3f J", U) diff --git a/3769/CH12/EX12.22/Ex12_22.sce b/3769/CH12/EX12.22/Ex12_22.sce new file mode 100644 index 000000000..85d44e75f --- /dev/null +++ b/3769/CH12/EX12.22/Ex12_22.sce @@ -0,0 +1,11 @@ +clear +//Given +e=1500 //V +dl=3 //A +dt=0.001 //s + +//Calculation +M=(e*dt)/dl + +//Result +printf("\n Mumtual induction between the two coils is %0.3f H", M) diff --git a/3769/CH12/EX12.23/Ex12_23.sce b/3769/CH12/EX12.23/Ex12_23.sce new file mode 100644 index 000000000..15970b722 --- /dev/null +++ b/3769/CH12/EX12.23/Ex12_23.sce @@ -0,0 +1,14 @@ +clear +//Given +N2=1000 +I1=5.0 //A +a2=0.4*10**-4 //Wb +dl=-24 //A +dt=0.02 //S + +//Calculation +M=(N2*a2)/I1 +eb=(-M*dl)/dt + +//Result +printf("\n (i) Mutual induction between A and B is %0.3f H", M) diff --git a/3769/CH12/EX12.24/Ex12_24.sce b/3769/CH12/EX12.24/Ex12_24.sce new file mode 100644 index 000000000..9ae7188f2 --- /dev/null +++ b/3769/CH12/EX12.24/Ex12_24.sce @@ -0,0 +1,19 @@ +clear +//Given +N=1200 +A=12*10**-4 //m**2 +r=0.15 //m +N2=300 +a=0.05 + +//Calculation +// +u=4*%pi*10**-7 +L=(u*N**2*A)/(2*%pi*r) +M=(u*N*N2*A)/(2*%pi*r) +dl=2/a +e=M*dl + +//Result +printf("\n (i) Self inductance of the toroid is %0.1f *10**-3 H",L*10**3) +printf("\n (ii) Induced e.m.f. in the second coil is %0.3f V",e) diff --git a/3769/CH12/EX12.25/Ex12_25.sce b/3769/CH12/EX12.25/Ex12_25.sce new file mode 100644 index 000000000..24bdffcf1 --- /dev/null +++ b/3769/CH12/EX12.25/Ex12_25.sce @@ -0,0 +1,17 @@ +clear +//Given +I=2.0 +a1=20*10**-2 +x=0.15 +A2=0.3*10**-2 + +//Calculation +// +u=4*%pi*10**-7 +B1=(u*I*a1**2)/(2.0*(a1**2+x**2)**1.5) +a=B1*%pi*A2**2 +M=a/I + +//Result +printf("\n (i) Flux linking the bigger loop is %0.1f ",a*10**11) +printf("\n (ii) Mutual induction between the two loops is %0.2f !0**-11 H",M*10**11) diff --git a/3769/CH12/EX12.26/Ex12_26.sce b/3769/CH12/EX12.26/Ex12_26.sce new file mode 100644 index 000000000..b87933a5c --- /dev/null +++ b/3769/CH12/EX12.26/Ex12_26.sce @@ -0,0 +1,17 @@ +clear +//Given +l=0.5 //m +n=20 //turns +r=50 //cm +A1=40*10**-4 //m**2 +n1=25 +A2=25*10**-4 //m**2 + +//Calculation +u=4*%pi*10**-7 +N=n*r +N2=n1*r +M=(u*N*N2*A2)/l + +//Result +printf("\n Mutual induction of the system is %0.2f *10**-3 H",M*10**3) diff --git a/3769/CH12/EX12.3/Ex12_3.sce b/3769/CH12/EX12.3/Ex12_3.sce new file mode 100644 index 000000000..a0d8d5472 --- /dev/null +++ b/3769/CH12/EX12.3/Ex12_3.sce @@ -0,0 +1,19 @@ +clear +//Given +A=10**-2 //m**2 +a=45 //degree +B1=0.1 //T +R=0.5 //ohm +t=0.7 //S + +//Calculation +// +a1=B1*A*cos(a*3.14/180.0) +a2=0 +a3=a1-a2 +e=a3/t +I=e/R + +//Result +printf("\n Current during this time interval is %0.1f *10**-3 A",I*10**3) +printf("\n Magnitude of induced emf is %0.0f *10**-3 V",e*10**3) diff --git a/3769/CH12/EX12.4/Ex12_4.sce b/3769/CH12/EX12.4/Ex12_4.sce new file mode 100644 index 000000000..9e1575556 --- /dev/null +++ b/3769/CH12/EX12.4/Ex12_4.sce @@ -0,0 +1,12 @@ +clear +//Given +I=1.2*10**-3 //A +N=1.0 +R=10 //ohm + +//Calculation +e=I*R +a=e/N + +//Result +printf("\n Necessary rate is %0.3f *10**-2 Wb/second", a*10**2) diff --git a/3769/CH12/EX12.5/Ex12_5.sce b/3769/CH12/EX12.5/Ex12_5.sce new file mode 100644 index 000000000..5d33ee7d9 --- /dev/null +++ b/3769/CH12/EX12.5/Ex12_5.sce @@ -0,0 +1,19 @@ +clear +//Given +r=10**-1 //m +B=3.0*10**-5 //T +t=0.25 //S +N=500 +R=2 //ohm + +//Calculation +// +a1=B*%pi*r**2*cos(0*3.14/180.0) +a2=B*%pi*r**2*cos(180*3.14/180.0) +a3=a1-a2 +e=(N*a3)/t +I=e/R + +//Result +printf("\n Magnitude of the emf is %0.1f *10**-3 V",e*10**3) +printf("\n Current induced in the coil is %0.1f *10**-3 A",I*10**3) diff --git a/3769/CH12/EX12.6/Ex12_6.sce b/3769/CH12/EX12.6/Ex12_6.sce new file mode 100644 index 000000000..52210a129 --- /dev/null +++ b/3769/CH12/EX12.6/Ex12_6.sce @@ -0,0 +1,14 @@ +clear +//Given +e=10**-2 //V +B=5*10**-5 //T +r=0.5 //m +N=1 + +//Calculation +// +A=%pi*r**2 +n=(e*N)/(%pi*r**2*B) + +//Result +printf("\n Rate of rotation of the blade is %0.1f revolutions/second",n) diff --git a/3769/CH12/EX12.7/Ex12_7.sce b/3769/CH12/EX12.7/Ex12_7.sce new file mode 100644 index 000000000..0831b89fd --- /dev/null +++ b/3769/CH12/EX12.7/Ex12_7.sce @@ -0,0 +1,12 @@ +clear +//Given +a=12 +b=7 +t=2 + +//Calculation +e=((a*t)+b)*10**-3 + +//Result +printf("\n (i) Magnitude of induced emf is %0.3f mV", e*10**3) +printf("\n (ii) The current induced in the coil will be anticlockwise") diff --git a/3769/CH12/EX12.8/Ex12_8.sce b/3769/CH12/EX12.8/Ex12_8.sce new file mode 100644 index 000000000..aa53c031e --- /dev/null +++ b/3769/CH12/EX12.8/Ex12_8.sce @@ -0,0 +1,12 @@ +clear +//Given +B=1 //T +l=0.5 //m +v=40 //m/s + +//Calculation +// +e=B*l*v*sin(60*3.14/180.0) + +//Result +printf("\n emf induced in the conductor is %0.2f ",e) diff --git a/3769/CH12/EX12.9/Ex12_9.sce b/3769/CH12/EX12.9/Ex12_9.sce new file mode 100644 index 000000000..7b0fa3f32 --- /dev/null +++ b/3769/CH12/EX12.9/Ex12_9.sce @@ -0,0 +1,14 @@ +clear +//Given +g=9.8 +h=10 +B=1.7*10**-5 +l=1 //m + +//Calculation +// +v=sqrt(2*g*h) +e=B*l*v + +//Result +printf("\n Potential difference between its end is %0.3f *10**4 V", e*10**4) |