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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Magnetism and Matter
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A rigid circular loop of radius r lies in the xy plane on a flat table and a current i flows through it. At this place, the earth’s magnetic field is Bxˆi+Bzˆk . The value of i so that one end of the loop lifts up from the table is

(a)mgπrBx2+Bz2(b)mgπrBx(c)mgπrBz(d)mgπrBx.BZ

 

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