1.

    The dimensional formula of magnetic induction B is

    A

    [M0ALT0]\left[ {{{\rm{M}}^0}{\rm{AL}}{{\rm{T}}^0}} \right]

    B

    [M0AL1T0]\left[ {{{\rm{M}}^0}{\rm{A}}{{\rm{L}}^{ - 1}}{{\rm{T}}^0}} \right]

    C

    [M0AL2T0]\left[ {{{\rm{M}}^0}{\rm{A}}{{\rm{L}}^2}{{\rm{T}}^0}} \right]

    D

    [MT2A1]\left[ {{\rm{M}}{{\rm{}}}{{\rm{T}}^{ - 2}}{{\rm{A}}^{ - 1}}} \right]

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    3.

    The SI unit of momentum is

    A

    kgm  \frac{{kg}}{{m\;}}

    B

    kg.msec\frac{{kg.m}}{{{\rm{sec}}}}

    C

    kg.m2sec\frac{{kg.{m^2}}}{{{\rm{sec}}}}

    D

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