A galvanometer of resistance 40Omega and...

A galvanometer of resistance `40Omega` and current passing through it is `100muA` per divison. The full scale has 50 divisions. If it is converted into an ammeter of range 2A by using a shunt, then the resistance of ammeter is

`(40)/(399)Omega`

`(4)/(399)Omega`

`0.01Omega`

`0.4Omega`

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