Physics-
General
Easy

Question

In the figure shown a coil of single turn is wound on a sphere of radius R and mass m. The plane of the coil is parallel to the plane and lies in the equatorial plane of the sphere. Current in the coil is i. The value of B if the sphere is in equilibrium is

  1. fraction numerator m g c o s invisible function application theta over denominator pi i R end fraction    
  2. fraction numerator m g over denominator pi i R end fraction    
  3. fraction numerator m g t a n invisible function application theta over denominator pi i R end fraction    
  4. fraction numerator m g s i n invisible function application theta over denominator pi i R end fraction    

The correct answer is: fraction numerator m g over denominator pi i R end fraction

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