Ammeter with shunt

2015 AIPMT-II 1 question

1. 1 Current Electricity
   A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm all connected in series. If the ammeter has a coil of resistance 480 ohm and a shunt of 20 ohm, the reading in the ammeter will be:
   A 1 A B 0.5 A C 0.25 A D 2 A
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