If three resistors of resistance $2 \,\Omega$,$4 \,\Omega$ and $5 \,\Omega$ are connected in parallel,then the total resistance of the combination will be:

  • A
    $\frac{20}{19} \,\Omega$
  • B
    $\frac{19}{20} \,\Omega$
  • C
    $\frac{19}{10} \,\Omega$
  • D
    $\frac{10}{19} \,\Omega$

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