MCQ
$1A$ current flows through an infinitely long straight wire. The magnetic field produced at a point $1$ metres away from it is
  • A
    $2 \times 10^{-3}$ Tesla
  • B
    $\frac{2}{10}$ Tesla
  • $2 \times 10^{-7}$ Tesla
  • D
    $2 \pi \times 10^{-6}$ Tesla

Answer

Correct option: C.
$2 \times 10^{-7}$ Tesla
$2 \times 10^{-7}$ Tesla

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