A) Low resistance shunt in series
B) Low resistance shunt in parallel
C) High resistance shunt in series
D) High resistance shunt in parallel
Correct Answer: B
Solution :
Key Idea: An ammeter has low resistance in the circuit as it measures the strong current. A galvanometer as such cannot be used as an ammeter because it has appreciable resistance and it can measure only a limited current corresponding to the maximum deflection on its scale. In practice, an ammeter is made by connecting a low resistance \[S\] in parallel with a pivoted type moving coil galvanometer \[G.S\] is known as shunt. Its value depends upon the range of the required ammeter.
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