JEE Mains Model Paper 9

The magnetic field in between because of each will be in opposite direction
Bin‌between =

µ0i

2πx

‌

^

j

-

µ0i

2π(2d−x)

(−

^

j

)
=

µ0i

2π

[

1

x

−

1

2d−x

] (

^

j

)
at x = d, Bin‌between = 0
for x < d, Bin‌between = (

^

j

)
for x > d, Bin‌between = (−

^

j

)
Towards x net magnetic field will add up and direction will be (−

^

j

)
Towards x' net magnetic field will add up and direction will be (

^

j

)