IIT JAM
Nikihi Asked a Question
September 9, 2020 10:08 pmpts 30 pts
  • IIT JAM
  • Physics (PH)

Magnetised steel wire 31.4 cm long has a pole strength

here what is pole strength, formula?? ,
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  • Somnath Best Answer
    Correct answer is option B. See attached file for solution.
    • cropped8094003559148102674.jpg
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