Answers edited by Subha

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• Question #e39a0
  
• A circular loop of radius a , carrying a current I ,is placed in a 2D magnetic field. The centre of the loop coincides with the centre of the field. The strength of magnetic field at the periphery of loop is B. Find the magnetic force on the wire?
  
• Question #0967f
  
• How do you simplify #cos(sin^-1 x)#?
  
• Question #f7c1b
  
• Question #0179e
  
• How do you simplify the expression #1+tan^2x#?
  
• What are aromatic compounds?
  
• How do you evaluate #3\frac { 7} { 10} \times 3\frac { 1} { 2} #?
  
• Question #e91ca
  
• Why can only the tertiary and secondary alcohol react in Lucas reagent?
  
• Question #0967f
  
• Question #fa39d