two identical circular loops of metal wire are lying onatable without touching each other. loop A carries a current which increases with time.in response, loop B1.remains stationary2.is attracted by loop A3.is replled by loop Adont d loops get attracted? the answer in my book says opt:3! plz xplain

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AB is a current carrying conductor in the plane of the paper as shown in the figure below. (i) What is the direction of the magnetic field produced by it at point ‘X’? Write the statement of the rule used to find the direction of field lines. (ii) If the polarity of the battery connected to the wire is reversed, how would the direction of the magnetic field be changed? (iii) Point ‘X’ is at a distance r1 and point ‘Y’ is at a distance r2 (r1

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For minimum flux the angle between the magnetic field and normal to the surface is