A circuit contains an ammeter, a battery...

A circuit contains an ammeter, a battery of 30V and a resistanace `40.8Omega` all connected in series. If th ammeter has a coil of resistance `480Omega` and a shunt of `20Omega`, then reading in the ammeter will be

`1A`

`0.5A`

`0.25A`

`2A`

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