Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2016)

done JEE Main Paper (Held On 9 April 2016) Total Questions - 2

• question_answer1) The potential (in volts) of a charge distribution is given by \[V(z)=30-5{{z}^{2}}\]for\[|z|\le 1m\] \[V(z)=35-10|z|\]for\[|z|\ge 1m.\] V(z) does not depend on x and y . If this potential is generated by a constant charge per unit volume \[{{\rho }_{0}},\](in units of \[{{\varepsilon }_{0}}\]) which is spread over certain region ,then choose the correct statement.   JEE Main Online Paper (Held On 09 April 2016)
  A)
  \[{{\rho }_{0}}=40{{\varepsilon }_{0}}\]in the entire region                
  done clear
  B)
  \[{{\rho }_{0}}=20{{\varepsilon }_{0}}\] in the entire region                
  done clear
  C)
  \[{{\rho }_{0}}=20{{\varepsilon }_{0}}\] for \[|z|\]in\[\le 1m\]and \[{{\rho }_{0}}=0\]else where                
  done clear
  D)
  \[{{\rho }_{0}}=10{{\varepsilon }_{0}}\]for \[|z|\]in \[\le 1m\]and\[{{\rho }_{0}}=0\] else where
  done clear
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• question_answer2) Three capacitors each of \[4\mu F\]are to be connected in such a way that the effective capacitance is \[6\mu F.\] This can be done by connecting them :   JEE Main Online Paper (Held On 09 April 2016)
  A)
  all in series
  done clear
  B)
  two in parallel and one in series
  done clear
  C)
  two in series and one in parallel
  done clear
  D)
  all in parallel
  done clear
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