# An ammeter is to be constructed which can read currents up to 2 A. If the coil has a resistance of 25 ohm and….

Q. An ammeter is to be constructed which can read currents up to 2 A. If the coil has a resistance of 25 ohm and takes 1 mA for full-scale deflection, what should be the resistance of the shunt used ?
(a) 12.5 mΩ
(b) 1.25 mΩ
(c) 125 mΩ
(d) 0.125 mΩ
Ans: A

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