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A circuit contains an ammeter, a battery...

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

A

`1 A`

B

0.5A

C

0.25A

D

`2 A`

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