engineering recuitment GATE EE 2023-24 Test Series Electrical and Electronics Measurements Extension Ranges of Basic Meters Basic DC Ammeter
An ammeter with input resistance of 50 Ω gives full scale deflection for 50 μA current. The input resistance of a 0-1 mA ammeter obtained by connecting a shunt across the 0-50 μA meter will be
1
50 Ω
2
25 Ω
3
2.63 Ω
4
2.5 Ω