Q.
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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a
0-1 A
b
0-10 A
c
0-100 A
d
0-1000 A
answer is C.
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Detailed Solution
isRs=igRg20×501000=is×0.01is=100A
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