Solved papers for JEE Main & Advanced AIEEE Solved Paper-2003

done AIEEE Solved Paper-2003 Total Questions - 4

• question_answer1) A thin rectangular magnet suspended freely has a period of oscillation equal to T. Now, it is broken into two equal halves (each having half of the original length) and one piece is made to oscillate freely in the same field. If its period of oscillation is T', the ratio T'/T is     AIEEE  Solved  Paper-2003
  A)
  \[\frac{1}{2\sqrt{2}}\]        
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  B)
                        \[\frac{1}{2}\]                   
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  C)
  2                                             
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  D)
  \[\frac{1}{4}\]
  done clear
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• question_answer2) A magnetic needle lying parallel to a magnetic field requires W unit of work to turn it through \[{{60}^{o}}\]. The torque needed to maintain the needle in this position will be     AIEEE  Solved  Paper-2003
  A)
  \[\sqrt{3}\] W
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  B)
                        W           
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  C)
        \[(\sqrt{3}/2)\]W                            
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  D)
  2 W
  done clear
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• question_answer3) The magnetic lines of force inside a bar magnet     AIEEE  Solved  Paper-2003
  A)
  are from north-pole to south-pole of the magnet
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  B)
  do not exist
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  C)
  depend upon the area of cross-section of the bar magnet
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  D)
  are from south-pole to north-pole of the magnet
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• question_answer4) Curie temperature is the temperature above which     AIEEE  Solved  Paper-2003
  A)
  a ferromagnetic material becomes paramagnetic
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  B)
  a paramagnetic material becomes  diamagnetic
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  C)
  a ferromagnetic material becomes diamagnetic
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  D)
  a paramagnetic material becomes ferromagnetic
  done clear
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