Current Electricity and Electrical InstrumentHard

Question

An ammeter reads upto 1 ampere. Its internal resistance is 0.81 ohm. To increase the range to 10 A the value of the required shunt is

Options

A.0.03 Ω
B.0.3 Ω
C.0.9 Ω
D.0.09 Ω

Solution

S = = 0.09 Ω

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