An electric field of $1500\, V/m$ and a magnetic field of $0.40\, weber/metre^2$ act on  a moving electron. The minimum uniform speed along a straight line the electron could  have is

  • A

    $1.6 \times 10^{15} \,m/s$

  • B

    $6 \times 10^{-16} \,m/s$

  • C

    $3.75 \times 10^{3} \,m/s$

  • D

    $3.75 \times 10^{2} \,m/s$

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