$A$ galvanometer of resistance $20 \,\Omega$ is to be converted into an ammeter of range $1 \, A$. If a current of $1 \, mA$ produces full scale deflection,the shunt required for the purpose is ................ $\Omega $.

  • A
    $0.01$
  • B
    $0.05$
  • C
    $0.02$
  • D
    $0.04$

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