A long conducting wire having a current I flowing through it, is bent into a circular coil of … turns. Then it is bent into a circular coil of … turns. The magnetic field is calculated at the centre of coils in both the cases. The ratio of the magnetic field in first case to that of second case is :

Magnetics

JEE Main 2023 · 31 Jan, Evening shift · Q7691

PhysicsMedium116×since 2002Q7691

A long conducting wire having a current I flowing through it, is bent into a circular coil of

\mathrm{N}

turns. Then it is bent into a circular coil of

\mathrm{n}

turns. The magnetic field is calculated at the centre of coils in both the cases. The ratio of the magnetic field in first case to that of second case is :

Magnetics

JEE Main 2023 · 31 Jan, Evening shift · Q7691

PhysicsMedium116×since 2002Q7691

A long conducting wire having a current I flowing through it, is bent into a circular coil of

\mathrm{N}

turns. Then it is bent into a circular coil of

\mathrm{n}

turns. The magnetic field is calculated at the centre of coils in both the cases. The ratio of the magnetic field in first case to that of second case is :

Magnetics

More on Magnetics

Magnetics

More on Magnetics