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JEE Main 8 April 2017 Paper Solved Paper

Section: Physics
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Question : 15 of 90
 
Marks: +1, -0
The energy stored in the electric field produced by a metal sphere is 4.5 J. If the sphere contains 4 µC charge, its radius will be: [Take:
1
4π∊0
=9×109N−m2/C2]
[Main 8 April 2017]
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