Find the magnetic field at $P$ due to the arrangement shown
  • A$\frac{{{\mu _0}i}}{{\sqrt 2 \,\pi \,d}}\left( {1 - \frac{1}{{\sqrt 2 }}} \right)\, \otimes $
  • B$\frac{{2{\mu _0}i}}{{\sqrt 2 \,\pi \,d}}\, \otimes $
  • C$\frac{{{\mu _0}i}}{{\sqrt 2 \,\pi \,d}}\, \otimes $
  • D$\frac{{{\mu _0}i}}{{\sqrt 2 \,\pi \,d}}\left( {1 + \frac{1}{{\sqrt 2 }}} \right)\, \otimes $
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