SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Electrical and Electronics Measurements Extension Ranges of Basic Meters
A moving coil instrument, having a coil resistance of 4.5 Ω gives a full-scale deflection of 30 mA. The resistance connected in parallel with this instrument to read up to 2.5 A is:
1
6.46 Ω
2
0.0346 Ω
3
0.0546 Ω
4
0.0625 Ω