engineering recuitment HPCL Engineer Mock Test 2024 Electrical and Electronics Measurements Extension Ranges of Basic Meters
A DC ammeter has a resistance of 0.1 Ω and its currents range is 0-100 A. If the range is to be extended to 0-500 A, then the shunt resistance should be:
1
0.5 Ω
2
0.25 Ω
3
0.025 Ω
4
0.05 Ω