The oscillating magnetic field in a plane electromagnetic wave is given by $B _{ y }=5 \times 10^{-6} \sin$ $1000\,\pi\left(5 x -4 \times 10^{8} t \right) T$. The amplitude of electric field will be.

  • [JEE MAIN 2022]
  • A

    $15 \times 10^{2} \,Vm ^{-1}$

  • B

    $5 \times 10^{-6} \,Vm ^{-1}$

  • C

    $16 \times 10^{12} \,Vm ^{-1}$

  • D

    $4 \times 10^{2} \,Vm ^{-1}$

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