A charge of $2.0\,\mu C$ moves with a speed of $3.0 \times {10^6}\,m{s^{ - 1}}$ along $+ ve$ $X$ - axis $A$ magnetic field of strength $\vec B = - 0.2\,\,\hat k$ $Tesla$ exists in space. What is the magnetic force $({\overrightarrow F _m})$ on the charge

  • A

    ${F_m} = 1.2\,N$ along $+$ $ve\,x - $ direction

  • B

    ${F_m} = 1.2\,N$ along $-$ $ve\,x - $ direction

  • C

    ${F_m} = 1.2\,N$ along $+$ $ve\,y - $ direction

  • D

    ${F_m} = 1.2\,N$ along $-$ $ve\,y - $ direction

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