railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Extension Ranges of Basic Meters Basic DC Ammeter
A 4.0 ampere ammeter has a resistance of 0.01 Ω. Determine the efficiency of the instrument.
1
25 A/W
2
25.01 A/W
3
16 A/W
4
1.6 A/W