IIT JAM
Himanshu Pandey Asked a Question
June 23, 2020 2:19 ampts 30 pts
  • IIT JAM
  • Physics (PH)

Electricity , consider an infinite wire of charge along z ......

solution of this with explanation. & how to deal such questio when specific coordinate system is given like here cylindrical.
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  • Ghost.
    Correct option is B.
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  • Chandra dhawan
    bcoz E.F is not same at every point so Gauss law is not applicable while length is infinite E.F is same at every point..
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  • Chandra dhawan
    ***if length is infinite then apply Gauss law. *** if length is finite then we can't apply Gauss law....
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  • Ghost. Best Answer
    option (b) is correct. you can go through with solution i attached here, and feel free for any ask any doubt. best regards
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    Ghost.
    (for any)-> to*
  • Chandra dhawan
    see attached file it's very helpful
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    Chandra dhawan
    it's for infinite wire.... Gauss law apply here.. becoz of infinite symmetry