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Magnetics question

2004 · Shift 0 · Q143

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JEE Main
Physics
Magnetics
2004 · Shift 0 · Q143

Magnetics question

2004 · Shift 0 · Q143

JEE MainPhysicsMagneticsMCQ+4 / −1

The magnetic field due to a current carrying circular loop of radius

3cm

at a point on the axis at a distance of

4cm

from the centre is

54\,\mu T.

What will be its value at the center of loop?

A
$125\,\mu T$
B
$150\,\mu T$
C
$250\,\mu T$
D
$75\,\mu T$

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