A galvanometer of resistance 50 Ω gives full-scale deflection for 5 mA. The shunt needed to convert it into an ammeter of range 0–5 A is approximately
A. 5 Ω
B. 0.5 Ω
C. 0.005 Ω
D. 0.05 Ω
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Answer: D. 0.05 Ω
\(S=\frac{I_gG}{I-I_g}=\frac{0.005\times50}{4.995}\approx0.05\ \Omega\).
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· 23 Oct 2026
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