railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Extension Ranges of Basic Meters Basic DC Ammeter
A 0.5 Ω resistance is required to be connected in parallel to a moving coil instrument whose full scale deflection is 1 mA; so that this instrument can measure 10 mA current. Internal resistance of this instrument is
1
5.0 Ω
2
4.5 Ω
3
2.25 Ω
4
0.45 Ω