In a simple pendulum experiment, the maximum percentage error in the measurement of length is $2\%$ and that in acceleration due to gravity $g$ is $4\%$. Then the maximum percentage error in determination of the time-period is

  • A

    $\pm 6 \%$

  • B

    $\pm 5 \%$

  • C

    $\pm 4 \%$

  • D

    $\pm 3 \%$

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