154537 Consider a circular wire loop of radius $R$ spinning about a diametrical chord which is perpendicular to uniform magnetic field ( $\left.B=B_{0} \hat{k}\right)$

154538 A conducting circular loop is placed in a uniform magnetic field, $B=0.025 T$ with its plane perpendicular to the loop.
The radius of the loop is made to shrink at a constant rate of $1 \mathrm{~mm} \mathrm{~s}^{-1}$. The induced e.m.f. when the radius is $2 \mathrm{~cm}$, is

154540 A coil having an area of $2 \mathrm{~m}^{2}$ is placed in a magnetic field which changes from $1 \mathrm{~Wb} / \mathrm{m}^{2}$ to $4 \mathrm{~Wb} / \mathrm{m}^{2}$ in $2 \mathrm{~s}$. The e mf induced in the coil will be

154541 A circular coil of $\mathbf{1 0 0}$ turns has an effective radius of $0.05 \mathrm{~m}$ and carries a current of $0.1 \mathrm{~A}$. How much work is required to turn it in an external magnetic field of $1.5 \mathrm{~Wb} / \mathrm{m}^{2}$ through $180^{\circ}$ about its axis perpendicular to the magnetic field? The plane of the coil is initially perpendicular to the magnetic field.

154542 Two coil $A$ and $B$ have mutual inductance $2 \times$ $10^{-2}$ henry. If the current in the primary is $I=$ $5 \sin (10 \pi t)$ then the maximum value of e.m.f. induced in coil $B$ is

154537 Consider a circular wire loop of radius $R$ spinning about a diametrical chord which is perpendicular to uniform magnetic field ( $\left.B=B_{0} \hat{k}\right)$

154538 A conducting circular loop is placed in a uniform magnetic field, $B=0.025 T$ with its plane perpendicular to the loop.
The radius of the loop is made to shrink at a constant rate of $1 \mathrm{~mm} \mathrm{~s}^{-1}$. The induced e.m.f. when the radius is $2 \mathrm{~cm}$, is

154540 A coil having an area of $2 \mathrm{~m}^{2}$ is placed in a magnetic field which changes from $1 \mathrm{~Wb} / \mathrm{m}^{2}$ to $4 \mathrm{~Wb} / \mathrm{m}^{2}$ in $2 \mathrm{~s}$. The e mf induced in the coil will be

154541 A circular coil of $\mathbf{1 0 0}$ turns has an effective radius of $0.05 \mathrm{~m}$ and carries a current of $0.1 \mathrm{~A}$. How much work is required to turn it in an external magnetic field of $1.5 \mathrm{~Wb} / \mathrm{m}^{2}$ through $180^{\circ}$ about its axis perpendicular to the magnetic field? The plane of the coil is initially perpendicular to the magnetic field.

154542 Two coil $A$ and $B$ have mutual inductance $2 \times$ $10^{-2}$ henry. If the current in the primary is $I=$ $5 \sin (10 \pi t)$ then the maximum value of e.m.f. induced in coil $B$ is

154537 Consider a circular wire loop of radius $R$ spinning about a diametrical chord which is perpendicular to uniform magnetic field ( $\left.B=B_{0} \hat{k}\right)$

154538 A conducting circular loop is placed in a uniform magnetic field, $B=0.025 T$ with its plane perpendicular to the loop.
The radius of the loop is made to shrink at a constant rate of $1 \mathrm{~mm} \mathrm{~s}^{-1}$. The induced e.m.f. when the radius is $2 \mathrm{~cm}$, is

154540 A coil having an area of $2 \mathrm{~m}^{2}$ is placed in a magnetic field which changes from $1 \mathrm{~Wb} / \mathrm{m}^{2}$ to $4 \mathrm{~Wb} / \mathrm{m}^{2}$ in $2 \mathrm{~s}$. The e mf induced in the coil will be

154541 A circular coil of $\mathbf{1 0 0}$ turns has an effective radius of $0.05 \mathrm{~m}$ and carries a current of $0.1 \mathrm{~A}$. How much work is required to turn it in an external magnetic field of $1.5 \mathrm{~Wb} / \mathrm{m}^{2}$ through $180^{\circ}$ about its axis perpendicular to the magnetic field? The plane of the coil is initially perpendicular to the magnetic field.

154542 Two coil $A$ and $B$ have mutual inductance $2 \times$ $10^{-2}$ henry. If the current in the primary is $I=$ $5 \sin (10 \pi t)$ then the maximum value of e.m.f. induced in coil $B$ is

154537 Consider a circular wire loop of radius $R$ spinning about a diametrical chord which is perpendicular to uniform magnetic field ( $\left.B=B_{0} \hat{k}\right)$

154538 A conducting circular loop is placed in a uniform magnetic field, $B=0.025 T$ with its plane perpendicular to the loop.
The radius of the loop is made to shrink at a constant rate of $1 \mathrm{~mm} \mathrm{~s}^{-1}$. The induced e.m.f. when the radius is $2 \mathrm{~cm}$, is

154540 A coil having an area of $2 \mathrm{~m}^{2}$ is placed in a magnetic field which changes from $1 \mathrm{~Wb} / \mathrm{m}^{2}$ to $4 \mathrm{~Wb} / \mathrm{m}^{2}$ in $2 \mathrm{~s}$. The e mf induced in the coil will be

154541 A circular coil of $\mathbf{1 0 0}$ turns has an effective radius of $0.05 \mathrm{~m}$ and carries a current of $0.1 \mathrm{~A}$. How much work is required to turn it in an external magnetic field of $1.5 \mathrm{~Wb} / \mathrm{m}^{2}$ through $180^{\circ}$ about its axis perpendicular to the magnetic field? The plane of the coil is initially perpendicular to the magnetic field.

154542 Two coil $A$ and $B$ have mutual inductance $2 \times$ $10^{-2}$ henry. If the current in the primary is $I=$ $5 \sin (10 \pi t)$ then the maximum value of e.m.f. induced in coil $B$ is

154537 Consider a circular wire loop of radius $R$ spinning about a diametrical chord which is perpendicular to uniform magnetic field ( $\left.B=B_{0} \hat{k}\right)$

154538 A conducting circular loop is placed in a uniform magnetic field, $B=0.025 T$ with its plane perpendicular to the loop.
The radius of the loop is made to shrink at a constant rate of $1 \mathrm{~mm} \mathrm{~s}^{-1}$. The induced e.m.f. when the radius is $2 \mathrm{~cm}$, is

154540 A coil having an area of $2 \mathrm{~m}^{2}$ is placed in a magnetic field which changes from $1 \mathrm{~Wb} / \mathrm{m}^{2}$ to $4 \mathrm{~Wb} / \mathrm{m}^{2}$ in $2 \mathrm{~s}$. The e mf induced in the coil will be

154541 A circular coil of $\mathbf{1 0 0}$ turns has an effective radius of $0.05 \mathrm{~m}$ and carries a current of $0.1 \mathrm{~A}$. How much work is required to turn it in an external magnetic field of $1.5 \mathrm{~Wb} / \mathrm{m}^{2}$ through $180^{\circ}$ about its axis perpendicular to the magnetic field? The plane of the coil is initially perpendicular to the magnetic field.

154542 Two coil $A$ and $B$ have mutual inductance $2 \times$ $10^{-2}$ henry. If the current in the primary is $I=$ $5 \sin (10 \pi t)$ then the maximum value of e.m.f. induced in coil $B$ is