To convert galvanometer into ammeter, shunt of 0.01 Ω is used. Resistance of galvanometer coil is 50Ω and its maximum deflection current is 20 mA. Range of ammeter is:

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0-1 A

0-10 A

0-100 A

0-1000 A

answer is C.

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Detailed Solution

isRs=igRg20×501000=is×0.01is=100A

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