154939 The emf induced in a secondary coil is $20000 \mathrm{~V}$ when the current breaks in the primary coil. The mutual inductance is $5 \mathrm{H}$ and the current reaches to zero in $10^{-4} \mathrm{~s}$ in the primary. The maximum current in the primary before it breaks is

154940 The magnetic induction at a distance ' $d$ ' from the magnetic pole of unknown strength ' $m$ ' is B. If an identical pole is now placed at a distance of $2 \mathrm{~d}$ from the first pole, the force between the two poles is:

154941 Two identical short bar magnets, each having magnetic moment of $10 \mathrm{Am}^{2}$, are arranged such that their axial lines are perpendicular to each other and their centers be along the same straight line in a horizontal plane. If the distance between their centers is $0.2 \mathrm{~m}$, the resultant magnetic induction in tesla at a point midway between them is: $\left(\mu_{0}=4 \pi \times 10^{-7} \mathrm{Hm}^{-1}\right)$

154942 Two coils have self-inductance $L_{1}=4 \mathrm{mH}$ and $L_{2}=1 \mathrm{mH}$ respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If $I_{1}$ and $I_{2}$ are the current in the two coils, at that instant of time respectively, then the value of $\left(I_{1} / I_{2}\right)$ is:

154943 If the flux of magnetic induction through a coil of resistance $R$ and having $N$ turns, changes from $\phi_{1}$ to $\phi_{2}$, then the magnitude of the charge that passes through this coil is:

154939 The emf induced in a secondary coil is $20000 \mathrm{~V}$ when the current breaks in the primary coil. The mutual inductance is $5 \mathrm{H}$ and the current reaches to zero in $10^{-4} \mathrm{~s}$ in the primary. The maximum current in the primary before it breaks is

154940 The magnetic induction at a distance ' $d$ ' from the magnetic pole of unknown strength ' $m$ ' is B. If an identical pole is now placed at a distance of $2 \mathrm{~d}$ from the first pole, the force between the two poles is:

154941 Two identical short bar magnets, each having magnetic moment of $10 \mathrm{Am}^{2}$, are arranged such that their axial lines are perpendicular to each other and their centers be along the same straight line in a horizontal plane. If the distance between their centers is $0.2 \mathrm{~m}$, the resultant magnetic induction in tesla at a point midway between them is: $\left(\mu_{0}=4 \pi \times 10^{-7} \mathrm{Hm}^{-1}\right)$

154942 Two coils have self-inductance $L_{1}=4 \mathrm{mH}$ and $L_{2}=1 \mathrm{mH}$ respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If $I_{1}$ and $I_{2}$ are the current in the two coils, at that instant of time respectively, then the value of $\left(I_{1} / I_{2}\right)$ is:

154943 If the flux of magnetic induction through a coil of resistance $R$ and having $N$ turns, changes from $\phi_{1}$ to $\phi_{2}$, then the magnitude of the charge that passes through this coil is:

154939 The emf induced in a secondary coil is $20000 \mathrm{~V}$ when the current breaks in the primary coil. The mutual inductance is $5 \mathrm{H}$ and the current reaches to zero in $10^{-4} \mathrm{~s}$ in the primary. The maximum current in the primary before it breaks is

154940 The magnetic induction at a distance ' $d$ ' from the magnetic pole of unknown strength ' $m$ ' is B. If an identical pole is now placed at a distance of $2 \mathrm{~d}$ from the first pole, the force between the two poles is:

154941 Two identical short bar magnets, each having magnetic moment of $10 \mathrm{Am}^{2}$, are arranged such that their axial lines are perpendicular to each other and their centers be along the same straight line in a horizontal plane. If the distance between their centers is $0.2 \mathrm{~m}$, the resultant magnetic induction in tesla at a point midway between them is: $\left(\mu_{0}=4 \pi \times 10^{-7} \mathrm{Hm}^{-1}\right)$

154942 Two coils have self-inductance $L_{1}=4 \mathrm{mH}$ and $L_{2}=1 \mathrm{mH}$ respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If $I_{1}$ and $I_{2}$ are the current in the two coils, at that instant of time respectively, then the value of $\left(I_{1} / I_{2}\right)$ is:

154943 If the flux of magnetic induction through a coil of resistance $R$ and having $N$ turns, changes from $\phi_{1}$ to $\phi_{2}$, then the magnitude of the charge that passes through this coil is:

154939 The emf induced in a secondary coil is $20000 \mathrm{~V}$ when the current breaks in the primary coil. The mutual inductance is $5 \mathrm{H}$ and the current reaches to zero in $10^{-4} \mathrm{~s}$ in the primary. The maximum current in the primary before it breaks is

154940 The magnetic induction at a distance ' $d$ ' from the magnetic pole of unknown strength ' $m$ ' is B. If an identical pole is now placed at a distance of $2 \mathrm{~d}$ from the first pole, the force between the two poles is:

154941 Two identical short bar magnets, each having magnetic moment of $10 \mathrm{Am}^{2}$, are arranged such that their axial lines are perpendicular to each other and their centers be along the same straight line in a horizontal plane. If the distance between their centers is $0.2 \mathrm{~m}$, the resultant magnetic induction in tesla at a point midway between them is: $\left(\mu_{0}=4 \pi \times 10^{-7} \mathrm{Hm}^{-1}\right)$

154942 Two coils have self-inductance $L_{1}=4 \mathrm{mH}$ and $L_{2}=1 \mathrm{mH}$ respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If $I_{1}$ and $I_{2}$ are the current in the two coils, at that instant of time respectively, then the value of $\left(I_{1} / I_{2}\right)$ is:

154943 If the flux of magnetic induction through a coil of resistance $R$ and having $N$ turns, changes from $\phi_{1}$ to $\phi_{2}$, then the magnitude of the charge that passes through this coil is:

154939 The emf induced in a secondary coil is $20000 \mathrm{~V}$ when the current breaks in the primary coil. The mutual inductance is $5 \mathrm{H}$ and the current reaches to zero in $10^{-4} \mathrm{~s}$ in the primary. The maximum current in the primary before it breaks is

154940 The magnetic induction at a distance ' $d$ ' from the magnetic pole of unknown strength ' $m$ ' is B. If an identical pole is now placed at a distance of $2 \mathrm{~d}$ from the first pole, the force between the two poles is:

154941 Two identical short bar magnets, each having magnetic moment of $10 \mathrm{Am}^{2}$, are arranged such that their axial lines are perpendicular to each other and their centers be along the same straight line in a horizontal plane. If the distance between their centers is $0.2 \mathrm{~m}$, the resultant magnetic induction in tesla at a point midway between them is: $\left(\mu_{0}=4 \pi \times 10^{-7} \mathrm{Hm}^{-1}\right)$

154942 Two coils have self-inductance $L_{1}=4 \mathrm{mH}$ and $L_{2}=1 \mathrm{mH}$ respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If $I_{1}$ and $I_{2}$ are the current in the two coils, at that instant of time respectively, then the value of $\left(I_{1} / I_{2}\right)$ is:

154943 If the flux of magnetic induction through a coil of resistance $R$ and having $N$ turns, changes from $\phi_{1}$ to $\phi_{2}$, then the magnitude of the charge that passes through this coil is: