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  4. In the figure current I flows in a circular loop and straight wire. The loop is fixed but straight wire can move. The straight wire will <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/7370e900b9413bd8e111f77f0aca774e-.png />

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Q. In the figure current I flows in a circular loop and straight wire. The loop is fixed but straight wire can move. The straight wire will
image

Moving Charges and Magnetism

Solution:

By Fleming's left hand rule, force by the small element of circular loop is towards.
image
So, they attract each other hence move towards the loop