A PMMC instrument has FSD of 100 μA and a coil resistance of 1 kΩ. To convert the instrument into an

A PMMC instrument has FSD of 100 μA and a coil resistance of 1 kΩ. To convert the instrument into an ammeter with full scale deflection of 100 mA, the required shunt resistance is

(A) 1 Ω (B) 1.001 Ω (C) 0.5 Ω (D) 10 Ω
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1 Answer

Answer :

A PMMC instrument has FSD of 100 μA and a coil resistance of 1 kΩ. To convert the instrument into an ammeter with full scale deflection of 100 mA, the required shunt resistance is 1.001 Ω

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