Solved papers for JEE Main & Advanced JEE Main Online Paper (Held On 23 April 2013)
done JEE Main Online Paper (Held On 23 April 2013) Total Questions - 3
question_answer1) Consider a finite insulated, uncharged conductor placed near a finite positively charged conductor. The uncharged body must have a potential:
[JEE Main Online Paper ( Held On 23 April 2013 )
A)
less than the charged conductor more than at infinity
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B)
more than the charged conductor and less than at infinity.
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C)
more than the charged conductor and more than at infinity.
doneclear
D)
less than the charged conductor and less than at infinity
question_answer2) A parallel plate capacitor of area 60 \[{{\operatorname{cm}}^{2}}\] and separation 3 mm is charged initially to \[90\mu \operatorname{C}.\] If the medium between the plate gets slightly conducting and the plate loses the charge initially at the rate of \[2.5\times {{10}^{-8}}\operatorname{C}/s,\] then what is the magnetic field between the plates?
JEE Main Online Paper ( Held On 23 April 2013 )
question_answer3) A liquid drop having 6 excess electrons is kept stationary under a uniform electric field of \[25.5{{\operatorname{KVm}}^{-1}}\]. The density of liquid is\[1.26\times {{10}^{3}}\]. The radius of the drop is (neglect buoyancy)
JEE Main Online Paper ( Held On 23 April 2013 )