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A galvanometer of resistance gives a full-scale deflection for a potential difference of . What…
A galvanometer of resistance $100\ \Omega$ gives a full-scale deflection for a potential difference of $200\text{ mV}$.
(i)
What must be the resistance connected to convert the galvanometer into an ammeter of the range 0-200 mA?
(ii)
Determine resistance of the ammeter.
Answer
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From ISC 2025 Specimen Physics Paper 1, question 11.