Magnetic Effects of Current and Magnetism: JEE Main 2022 Physics question

JEE Main 2022 · 24 Jun, Morning shift · Q7687

JEE Main 202224 Jun, Morning shiftPhysicsEasyMagnetic Effects of Current and Magnetism165× since 2002

The magnetic field at the centre of a circular coil of radius r, due to current I flowing through it, is B. The magnetic field at a point along the axis at a distance

{r \over 2}

from the centre is :

Magnetic Effects of Current and Magnetism: JEE Main 2022 Physics question

JEE Main 2022 · 24 Jun, Morning shift · Q7687

JEE Main 202224 Jun, Morning shiftPhysicsEasyMagnetic Effects of Current and Magnetism165× since 2002

The magnetic field at the centre of a circular coil of radius r, due to current I flowing through it, is B. The magnetic field at a point along the axis at a distance

{r \over 2}

from the centre is :

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