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Assertion(A) : At the centre of a circular current carrying loop $(I_{1}),$ there is an infinitely long current wire $(I_{2})$ perpendicular to the plane of circle. Then, magnetic force of attraction between two is zero.
Reason(R) : Magnetic field of $(I_{1}),$ at centre is parallel or antiparallel to field of $(I_{2})$

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Both (A) and (R) are true, Reason is correct explanation

Both (A) and (R) are false, Reason is not correct explanation

(A) is true (R) is false

(A) is false (R) is true

answer is A.

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Detailed Solution

Due to circular coil, The field at centre is along the axis, which is parallel to straight current

carrying conductor $(\bar{B} ∥ \bar{l}) ∴ F = 0$

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