The horizontal component of the earth's magnetic field is $0.22$ $Gauss$ and total magnetic field is $0.4$ $Gauss$. The angle of dip. is

  • A

    ${\tan ^{ - 1}}\,(1)$

  • B

    ${\tan ^{ - 1\,}}(\infty )$

  • C

    ${\tan ^{ - 1\,}}(1.518)$

  • D

    ${\tan ^{ - 1\,}}(\pi )$

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