Solved papers for JEE Main & Advanced JEE Main Online Paper (Held on 9 April 2013)

done JEE Main Online Paper (Held on 9 April 2013) Total Questions - 3

• question_answer1)                                 In a metre bridge experiment null point is obtained at 40 cm from end of the wire when resistance X is balanced against another resistance Y. if X < Y, then the new position of the null point from the same end, if one decides to balance a resistance of  3X  against Y, will be close to :                     JEE Main Online Paper (Held On 09 April 2013)
  A)
                  80 cm                                   
  done clear
  B)
                  75 cm                 
  done clear
  C)
                                         67 cm                   
  done clear
  D)
                         50 cm                
  done clear
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• question_answer2) A letter 'A' is constructed of a uniform wire with resistance 1.0 \[\Omega \] per cm. The sides of the letter are 20 cm and the cross piece in the middle is 10 cm long. The apex angle is \[{{60}^{0}}\]. The resistance between the ends of the legs is close to:                   JEE Main Online Paper (Held On 09 April 2013)
  A)
  \[50.0\Omega \]                                              
  done clear
  B)
  \[10\Omega \]                                 
  done clear
  C)
  \[36.7\Omega \]                              
  done clear
  D)
  \[26.7\Omega \]                
  done clear
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• question_answer3)                                 A shunt of resistance 1\[\Omega \] connected across a galvanometer of 120\[\Omega \]resistance. A current of 5.5 ampere gives full scale deflection in the galvanometer. The current that will give full scale deflection in the absence of the shunt is nearly:             JEE Main Online Paper (Held On 09 April 2013)      
  A)
                  5.5 ampere                                        
  done clear
  B)
                  0.5 ampere                                        
  done clear
  C)
                  0.004 ampere                   
  done clear
  D)
                  0.045 ampere                
  done clear
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