A coil is places perpendicular to a magnetic field of …. When the field is changed to … in …, an induced emf of … is produced in the coil. If the diameter of the coil is …, then the number of turns in the coil is:

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Electromagnetic Induction

JEE Main 2024 · 31 Jan, Morning shift · Q6715

PhysicsMedium55×since 2003Q6715

A coil is places perpendicular to a magnetic field of

5000 \mathrm{~T}

. When the field is changed to

3000 \mathrm{~T}

2 \mathrm{~s}

, an induced emf of

22 \mathrm{~V}

is produced in the coil. If the diameter of the coil is

0.02 \mathrm{~m}

, then the number of turns in the coil is: