154701 The magnetic flux linked with a coil at any instant ' $t$ ' is given by $\phi=5 t^{3}-100 t+300$, the e.m.f. induced in the coil at $t=2$ second is :

154702 A train is moving towards north with a speed of 180 kilometer per hour. If the vertical component of the earth's magnetic field is $0.2 \times 10^{-4} \mathrm{~T}$, the e.m.f. induced in the axle $1.5 \mathrm{~m}$ long is :

154703 A coil having 500 turns of square shape each of side $10 \mathrm{~cm}$ is placed normal to a magnetic field which is increasing at 1 tesla/s. The induced e.m.f. is

154704 The current in a self inductance $L=40 \mathrm{mH}$ is increased uniformly from $0 \mathrm{~A}$ to $10 \mathrm{~A}$ in $4 \times 10^{-3}$ sec. The induced emf produced in $L$ during this process will be

154705 Two horizontal parallel metal rails separated by a distance $L$ are connected with a resistor $R$. $A$ metal rod $A B$ slides on the rails with constant speed $v$. If the whole circuit is put in a constant magnetic field $B$ perpendicular to the plane of the rails, the current induced is

154701 The magnetic flux linked with a coil at any instant ' $t$ ' is given by $\phi=5 t^{3}-100 t+300$, the e.m.f. induced in the coil at $t=2$ second is :

154702 A train is moving towards north with a speed of 180 kilometer per hour. If the vertical component of the earth's magnetic field is $0.2 \times 10^{-4} \mathrm{~T}$, the e.m.f. induced in the axle $1.5 \mathrm{~m}$ long is :

154703 A coil having 500 turns of square shape each of side $10 \mathrm{~cm}$ is placed normal to a magnetic field which is increasing at 1 tesla/s. The induced e.m.f. is

154704 The current in a self inductance $L=40 \mathrm{mH}$ is increased uniformly from $0 \mathrm{~A}$ to $10 \mathrm{~A}$ in $4 \times 10^{-3}$ sec. The induced emf produced in $L$ during this process will be

154705 Two horizontal parallel metal rails separated by a distance $L$ are connected with a resistor $R$. $A$ metal rod $A B$ slides on the rails with constant speed $v$. If the whole circuit is put in a constant magnetic field $B$ perpendicular to the plane of the rails, the current induced is

154701 The magnetic flux linked with a coil at any instant ' $t$ ' is given by $\phi=5 t^{3}-100 t+300$, the e.m.f. induced in the coil at $t=2$ second is :

154702 A train is moving towards north with a speed of 180 kilometer per hour. If the vertical component of the earth's magnetic field is $0.2 \times 10^{-4} \mathrm{~T}$, the e.m.f. induced in the axle $1.5 \mathrm{~m}$ long is :

154703 A coil having 500 turns of square shape each of side $10 \mathrm{~cm}$ is placed normal to a magnetic field which is increasing at 1 tesla/s. The induced e.m.f. is

154704 The current in a self inductance $L=40 \mathrm{mH}$ is increased uniformly from $0 \mathrm{~A}$ to $10 \mathrm{~A}$ in $4 \times 10^{-3}$ sec. The induced emf produced in $L$ during this process will be

154705 Two horizontal parallel metal rails separated by a distance $L$ are connected with a resistor $R$. $A$ metal rod $A B$ slides on the rails with constant speed $v$. If the whole circuit is put in a constant magnetic field $B$ perpendicular to the plane of the rails, the current induced is

154701 The magnetic flux linked with a coil at any instant ' $t$ ' is given by $\phi=5 t^{3}-100 t+300$, the e.m.f. induced in the coil at $t=2$ second is :

154702 A train is moving towards north with a speed of 180 kilometer per hour. If the vertical component of the earth's magnetic field is $0.2 \times 10^{-4} \mathrm{~T}$, the e.m.f. induced in the axle $1.5 \mathrm{~m}$ long is :

154703 A coil having 500 turns of square shape each of side $10 \mathrm{~cm}$ is placed normal to a magnetic field which is increasing at 1 tesla/s. The induced e.m.f. is

154704 The current in a self inductance $L=40 \mathrm{mH}$ is increased uniformly from $0 \mathrm{~A}$ to $10 \mathrm{~A}$ in $4 \times 10^{-3}$ sec. The induced emf produced in $L$ during this process will be

154705 Two horizontal parallel metal rails separated by a distance $L$ are connected with a resistor $R$. $A$ metal rod $A B$ slides on the rails with constant speed $v$. If the whole circuit is put in a constant magnetic field $B$ perpendicular to the plane of the rails, the current induced is

154701 The magnetic flux linked with a coil at any instant ' $t$ ' is given by $\phi=5 t^{3}-100 t+300$, the e.m.f. induced in the coil at $t=2$ second is :

154702 A train is moving towards north with a speed of 180 kilometer per hour. If the vertical component of the earth's magnetic field is $0.2 \times 10^{-4} \mathrm{~T}$, the e.m.f. induced in the axle $1.5 \mathrm{~m}$ long is :

154703 A coil having 500 turns of square shape each of side $10 \mathrm{~cm}$ is placed normal to a magnetic field which is increasing at 1 tesla/s. The induced e.m.f. is

154704 The current in a self inductance $L=40 \mathrm{mH}$ is increased uniformly from $0 \mathrm{~A}$ to $10 \mathrm{~A}$ in $4 \times 10^{-3}$ sec. The induced emf produced in $L$ during this process will be

154705 Two horizontal parallel metal rails separated by a distance $L$ are connected with a resistor $R$. $A$ metal rod $A B$ slides on the rails with constant speed $v$. If the whole circuit is put in a constant magnetic field $B$ perpendicular to the plane of the rails, the current induced is