Magnetic Effects of Current and Magnetism: JEE Main 2002 Physics question

JEE Main 2002 · Annual, Paper 1 · Q7664

JEE Main 2002Annual, Paper 1PhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

If in a circular coil

A

of radius

R,

current

I

is flowing and in another coil

B

of radius

2R

a current

2I

is flowing, then the ratio of the magnetic fields

{B_A}

and

{B_B}

, produced by them will be

JEE Main 2002 · Annual, Paper 1 · Q7664

JEE Main 2002Annual, Paper 1PhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

If in a circular coil

A

of radius

R,

current

I

is flowing and in another coil

B

of radius

2R

a current

2I

is flowing, then the ratio of the magnetic fields

{B_A}

and

{B_B}

, produced by them will be

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