An ammeter gives full scale deflection when current of 1.0 a is passed in it. To convert it into 10 a range ammeter, the ratio of its resistance and the shunt resistance will be :
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Ammeter gives full scale deflection for 1 A current
S = ig × G/ i-ig
ig represents current in galvanometer
G/S = i-ig/ig = 10-1/1 = 9/1
S = ig × G/ i-ig
ig represents current in galvanometer
G/S = i-ig/ig = 10-1/1 = 9/1
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Answer:9:10
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