A) 0.5050\[\Omega \]
B) 5.050\[\Omega \]
C) 50.50 \[\Omega \]
D) 505.05\[\Omega \]
Correct Answer: A
Solution :
To increase the range of ammeter a suitable resistance (shunt) should be connected in parallel. Let resistance of shunt wire = S \[S=\frac{{{i}_{g}}\times G}{i-{{i}_{g}}}\] \[S=\frac{10\times {{10}^{-3}}\times 50}{1-(10\times {{10}^{-3}})}\] \[=0.5050\Omega \]
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