DC ammeter has resistance 0 122 and its current ranges 0 100 A If the range is to be extended to 0 500 then the following shunt

Question

DC ammeter has resistance 0 122 and its current ranges 0 100 A If the range is to be extended to 0 500 then the following shunt resistance will be required CG PMT 20 a 0 01022 c 0 025 S b 0 01122 152 d 0 25

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