Himanshu posted an Question
July 19, 2020 • 07:32 am 30 points
  • IIT JAM
  • Physics (PH)

Electricity curl

how lines of option A are rotational as they have curl of zero if as suggested in answer ???

3 Answer(s) Answer Now
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  • Mahak best-answer

    ans is both b and d because length of vector in Band D are not changing in director either parallel or perpendicular to vector so their curl is zero but in option a length of vector is changing and its curls is non zero

  • comment-profile-img>
    Dhairya sharma

    dear curl basically shows totation if somewhere curl is zero it simply means that there is no rotation or that is irrotational

    eduncle-logo-app

    so see these figures u will know that A and D are correct options

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    for further query ask

    eduncle-logo-app

    i mean B and D are correct

  • comment-profile-img>
    Ruby negi

    Himanshu! u r a good student and i think u will score good rank and achieve good . be careful to read questions, try to analysis ur mistakes and make a note of ur mistakes so that u will not do same mistake again in future... first note read question properly ,this is necessary... best regards... for any doubt u could ask..

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    Ruby negi Best Answer

    dear, curl zero means irrotational and u did question according to rotational... A and D are correct if question is about rotational vector field...

    eduncle-logo-app

    question is about irrotational vector field( means curl zero) so option b and d is correct....

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