A 5 Ω shunt converts a moving-coil galvanometer into a 250 mA ammeter. When 1050 Ω is connected in series with the same galvanometer, it gives full-scale deflection at 25 V. Find the galvanometer resistance in Ω.

Physics · Current electricity · electric instruments

JEE Mains13 April 2023Shift 1Morning Shift

A 5 Ω shunt converts a moving-coil galvanometer into a 250 mA ammeter. When 1050 Ω is connected in series with the same galvanometer, it gives full-scale deflection at 25 V. Find the galvanometer resistance in Ω.