railway DFCCIL Executive 2025 Mock Test Electrical and Electronics Measurements Extension Ranges of Basic Meters
Determine the required value of shunt resistance (in Ohms) to convert a galvanometer into ammeter for reading up to 12 A, when the internal resistance of the galvanometer is 30 Ohms and the value of current for full scale deflection is 0.1 A.
1
0.15
2
0.25
3
0.35
4
0.45