Himanshu posted an Question
June 27, 2020 • 07:02 am 30 points
  • IIT JAM
  • Physics (PH)

Electricity a circular loop of radius r,

Simple Solution if possible by shortcut method. .

3 Answer(s) Answer Now
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    Ruby negi best-answer

    solution....

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    I hope u know that the condition of Maxima and minima, for Maxima second derivative must be less than zero, here also when u do second derivative of function and put z=R/√2 u will get value less than zero ..

  • comment-profile-img>
    Ghost. Best Answer

    Option (a) is correct. Remember to find point of maxima you have to put derivative of function equal to zero, i.e slope at that point is zero. see the attachment for full solution. Wishes

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