JEE Advanced 2020 Full Test 6 Paper 1

Direction of magnetic field at P due to CD=

∧

i

×‌

( ∧ j + ∧ k )

√2

⇒‌

k− ∧ j

√2

Direction of magnetic field at P due to EF=−

∧

i

×‌

( ∧ j − ∧ k )

√2

⇒‌

−k− ∧ j

√2

Hence direction will be along −hat‌j
Direction of magnetic field at 'O' due to upper frame along −

∧

i

Direction of magnetic field at O due to horizontal frame will be along - hat‌j