JEE Main 9 Jan 2019 Shift 1 Solved Paper

Section: Physics
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Question : 28 of 90
 
Marks: +1, -0
For a uniformly charged ring of radius R, theelectric field on its axis has the largestmagnitude at a distance h from its centre. Thenvalue of h is :
[9-Jan-2019 Shift 1]
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