154561 A square coil of side $25 \mathrm{~cm}$ having 1000 turns is rotated with a uniform speed in a magnetic field about an axis perpendicular to the direction of the field. At an instant $t$, the emf induced in the coil is $e=200 \sin 100 \pi \mathrm{t}$. The magnetic induction is
154561 A square coil of side $25 \mathrm{~cm}$ having 1000 turns is rotated with a uniform speed in a magnetic field about an axis perpendicular to the direction of the field. At an instant $t$, the emf induced in the coil is $e=200 \sin 100 \pi \mathrm{t}$. The magnetic induction is
154561 A square coil of side $25 \mathrm{~cm}$ having 1000 turns is rotated with a uniform speed in a magnetic field about an axis perpendicular to the direction of the field. At an instant $t$, the emf induced in the coil is $e=200 \sin 100 \pi \mathrm{t}$. The magnetic induction is
154561 A square coil of side $25 \mathrm{~cm}$ having 1000 turns is rotated with a uniform speed in a magnetic field about an axis perpendicular to the direction of the field. At an instant $t$, the emf induced in the coil is $e=200 \sin 100 \pi \mathrm{t}$. The magnetic induction is
154561 A square coil of side $25 \mathrm{~cm}$ having 1000 turns is rotated with a uniform speed in a magnetic field about an axis perpendicular to the direction of the field. At an instant $t$, the emf induced in the coil is $e=200 \sin 100 \pi \mathrm{t}$. The magnetic induction is